1. Health

Sex Definitions

From Abstinence to Zoophilia, a dictionary of sexual terms and their meanings.

A.S.F.R. - Alt Sex Fetish Robot (ASFR)
Definition of A.S.F.R. (ASFR)also known as alt sex fetish robot.

Ableism
Definition of the term ableism.

Abstinence
An explanation of how the word abstinence is used, and what it refers to.

Acrotomophilia
Definition of acrotomophilia, which describes being sexually aroused or having sexual fantasies about having sex with someone who has an amputated limb.

Adult Virgins
How old do you have to be to qualify as an adult virgin?

Adultery
What is the definition of adultery?

Agalmatophilia
Defining agalmatophilia, a fetish that involves arousal or sexual excitement for statues for mannequins.

Agoraphilia
Definition of agoraphilia which describes sexual excitement from being outdoors and/or enjoying sex in public places.

Anal Beads
Description of anal beads, also known as “Thai beads”.

Anal Dildo
Description of anal dildos.

Analingus
Definition of the word analingus, also called rimming.

Androgynous
Androgynous has more than one definition, and here are a few common ways that it is defined.

Anorgasmia
Definition of anorgasmia, an inability to reach orgasm or climax.

Asexual
Scientific and cultural definitions of asexual.

Asphyxiophilia
Definition of asphyxiophilia, the practice of depriving oneself of oxygen to create sexual arousal or enhance sex.

Autofellatio
A description and definition of autofellatio, the act of performing oral sex on oneself.

Avatar
Explains what an avatar is in the context of sex tech and human computer sexual interactions.

BDSM
A definition for the term BDSM which is an umbrella term to describe a wide range of sexual activities, and emotional and spiritual interactions.

Bestiality
A definition of the term bestiality.

Bisexuality
How do you define bisexuality?

Bot
Explains what “bot” software is, in the context of sex tech.

Butt Plug Harness
What is a butt plug harness?

Butt Plugs
Definition and description of butt plugs.

Candaulism
Definition of candaulism, which describes the sexual practice involving three people where two engage in sex while the third watches, often from a hidden location.

Casual Sex
How researchers have chosen to define casual sex, and proposing a non-scientific definition of casual sex.

Celibacy
A definition of celibacy and explanation of how celibacy differs from chastity and abstinence.

Certified Sexuality Educator
Explains some possibilities of what being a certified sexuality educator might mean.

Chastity
Traditional and contemporary definitions of the term chastity.

Cheating
How do you define cheating in a romantic, committed relationship?

Chlamydia
Chlamydia symptoms and links to more resources on Chlamydia and other sexually transmitted diseases.

Cisgender
A definition of the term cisgender, with links to further readings.

Climacturia
An explanation of Climacturia, a medical term describing orgasm-associated incontinence.

Coccinelle 1931-2006
About Coccinelle, well known female performer who was also the first person to have sex reassignment surgery in France.

Coitus
A definition of the word coitus.

Compulsory Monogamy
A definition and explanation of the idea of compulsory monogamy.

Coprophilia
Definition of the fetish or paraphilia known as coprophilia.

Cuckold
A definition of the term cuckold.

Cuddle Party
An explanation of the term cuddle party, with links to more information on cuddle parties.

Definition of Sex
Find out how sex and sexuality are defined differently and how those difference impact your experience of sex.

Dental Dam
Explains what a dental dam is in the context of using dental dams for safer sex.

Devotees
Definition of the term devotees which refers to people who fetishize or have a specific sexual interest in someone with a disability.

Dildo
Definition of the sex toy called a "dildo."

Dr. Geri Weitzman
Brief biography for Dr. Geri Weitzman.

Dr. John Money 1921-2006
Information about pioneering sex researcher Dr. John Money.

Dr. Vern Bullough 1928-2006
About sex reseacher and historian Vern Bullough 1928-2006

DSM (Diagnostic and Statistical Manual of Mental Disorders)
Explains the Diagnostic and Statistical Manual of Mental Disorders (DSM).

Dual Action Vibrator
Definition of dual action vibrator

Dysparuenia
Definition of Dysparuenia or painful intercourse.

Edging
Describing the sexual activity edging.

Emergent sex
Definition of the term emergent sex, coined by Brenda Brathwaite.

Erectile Dysfunction
Definition of the term erectile dysfunction.

Erogenous Zones
Definition of erogenous zones, and a list of some of the common erogenous zones.

Erotophilia and Erotophobia
Definition of the personality dimension called erotophilia and erotophobia.

Female Genital Cosmetic Surgery (FGCS)
Definition of the various kinds of female genital cosmetic surgeries, including vagioplasty and labiaplasty.

Female Orgasmic Disorder
A definition of female orgasmic disorder.

Female Sexual Dysfunction
A definition of female sexual dysfunction including common critiques of the term itself.

Fetish
Clinical and non-clinical definitions of fetish.

Fetish Sex
What is fetish sex, and can it be part of a healthy sex life?

Foot Fetish
Explanation of foot fetish and the various forms it takes.

Foreplay
A definition of the term foreplay.

Frenulum Breve
Definition of Frenulum Breve a condition that can make sexual activity painful.

Fritz Klein 1932-2006
About Fritz Klein, sex researcher, psychiatrist, and bisexual activist.

Frottage
Definition of the sexual activity frottage.

Gender
A definition of gender in the context of sexuality and sexual health.

Gender Neutral
A definition and explanation of common mistakes when using the term gender neutral.

Gender Non-Conforming Children
Many prefer the term gender independent children, but both terms are used to describe the ways that social and cultural expectations can clash with a child's predictable gender exploration.

Gender Variant
What does the term gender variant mean?

Genderqueer
What genderqueer means, and who the term applies to.

Genetic Determinism
Offers a general definition of genetic determinism, in the context of research in human sexuality.

Genital Herpes
Genital herpes symptoms and links to more resources on genital herpes and other sexually transmitted diseases.

Heteronormative Sex
Are some kinds of sex more heternormative than others?

Homophobia
A working definition of homophobia in the context of sexual health.

How Is Sex Determined?
Describes the definition of physical, biological, or genetic sex, as determined by anatomy and chromosomes.

Hymen
A definition of the hymen and it's relationship to virginity.

Hypersexual Disorder
Describes a proposed new sexual disorder for the DSM called Hypersexual Disorder

Hypoactive Sexual Desire Disorder (HSDD)
Definition of the clinical diagnosis of hypoactive sexual desire disorder, where an individual has low or no interest in sexual activity or fantasy.

Impotence
Definition of the term impotence.

Incontinence
Definition of incontinence.

Infidelity
Definition of infidelity in the context of a sexual or romantic relationship.

Infidelity, Adultery, and Cheating
Comparing different definitions of sexual betrayal.

Intercourse
A definition of the word intercourse in a sexual context.

Intersex
Some historical context and an explanation of the term intersex.

Is Sexuality Male or Female?
An explanation of how the terms male and female sexuality are used on About.com.

Kegel Exercises
Definition of Kegel exercises, used to strengthen the pelvic floor muscles.

Kinky Sex
What defines kinky sex?

Kinsey Scale
An explanation of the Kinsey Scale proposed by sex researcher Alfred Kinsey.

Klismaphilia
Definition of klismaphilia, or deriving sexual arousal and pleasure from enemas.

Labia
A definition of the inner and outer labia.

Labiaplasty
Definition of labiaplasty, surgery to alter the size of the labia.

Lichen Sclerosus
Definition of the rare disorder lichen sclerosus

Mainstream Pornography
A definition of mainstream, as opposed to independent, pornography.

Male Orgasmic Disorder
A definition of male orgasmic disorder.

Male Strap On
What is a male strap on, and why would men want or need to use a strap on sex toy?

Male Vibrator
Explanation of the category of male vibrator, with links to information on male sex toys, how to use vibrators for men, and top men's sex toys.

Marital Aids
Definition of the term marital aid

Masturbation
Definition of the term masturbation.

Medical Fetish
Explanation of medical fetish.

Medical Model of Sexuality
A definition of the term medical model as it applies to an understanding of sexuality.

Monogamy
A definition of monogamy.

Monosexism and Biphobia
Definitions of biphobia and monosexism, and an explanation of the relationship between the two.

National Survey of Family Growth
Learn more about the largest ongoing collection of data in the U.S. related to families and sexual health.

Non Ejaculatory Orgasm
Definition of non-ejaculatory orgasm, a term generally used when refering to male orgasm and the experience of male multiple orgasm.

Non-Monogamy
Brief definition of the term non-monogamy, with references to alternative relationships and polyamory.

Normal Sex
There isn't only one definition of normal sex. Here are the four most often referred to.

Open Relationship
What's the difference between an open relationship and cheating?

Oral Sex Taste
What makes up the taste of oral sex? An explanation of what oral sex taste is comprised of.

Orgasm
Explanations of the various definitions of orgasm.

Pansexual
Definition of the term Pansexual.

Paraphilias
Definition of paraphilia.

Penile Dysmorphophobia
What is penile dysmorphophobia?

Penile Prosthesis
Explains what a penile prosthesis is, why men would use them, and how they work.

Penile Rehabilitation
What is involved in penile rehabilitation?

Penis Limiter
There are products that can be used as a penis limiter, effectively controlling the depth of penetration during intercourse.

Penis Pumps
Describes the basics of penis pumps and the difference between penis pumps and vacuum pumps or vacuum erection devices.

Perineum
Explains what the perineum is and where to find it.

Persistent Genital Arousal Disorder (PGAD)
Definition of persistent genital arousal disorder (PGAD), also known as persistent sexual arousal syndrome (PSAS).

Persistent Sexual Arousal Syndrome (PSAS)
Definition of persistent sexual arousal syndrome (PSAS), also known as persistent genital arousal disorder (PGAD).

Phimosis
Definition of phimosis, a condition where the foreskin cannot be pulled back behind the head of the penis

Phthalates
Explains what phthalates are and how they are used in sex toy manufacturing.

Play Piercing
A definition and description of play piercing.

Pre-cum – Pre-ejaculatory fluid
A definition of pre-cum, or pre-ejaculatory fluid, which is expelled from the penis during sexual arousal and prior to ejaculation.

Premature Ejaculation
Definition of premature ejaculation

Priapism
Definition of the condition priapism.

Public Display of Affection (PDA)
What does the non-tech PDA stand for?

Pubococcygeus (PC) Muscles
Definition of the Pubococcygeus Muscles, known as the PC muscles.

Queer
Brief historical and contemporary definitions of the word queer, in reference to sexuality and gender.

Rainbow Parties
Definition of the term Rainbow Parties.

Refractory Period
Provides a definition of the term refractory period.

Romantic Product Salesman
Describes the little known profession of romantic product salesmen.

Semen
What is semen, and what is it made of?

Sex Coach
Describes what the term sex coach refers to, and what a sex coach does.

Sex Drive
Defines the term sex drive, also known as sexual instinct or libido.

Sex Educator
Offers a definition of sex educator as well as how other people use the title sex educator.

Sex Hangups
What defines a sexual hangup?

Sex Positive
Defnition of the term sex positive.

Sex Professional
What is a sex professional? What makes someone a sex professional?

Sex Researcher
An explanation of the term sex researcher.

Sex Tech
A definition of the term sex tech.

Sex Therapist
An explanation of what a sex therapist is, and what they do.

Sex Toy
What is the definition of a sex toy? How are sex toys defined in law, by public health, and by commerce?

Sex Work
Explains how sex work is commonly defined, and what the difference is between the term sex work and the term prostitution.

Sexologist
An explanation of the term sexologist.

Sexology
An explanation of the term sexology

Sexual Arousal
A definition of sexual arousal.

Sexual Behavior
A definition of sexual behavior may seem obvious at first, but not everyone agrees on what is, and isn’t, sex.

Sexual Compatibility
How can you define sexual compatibility?

Sexual Desire
A definition of sexual desire.

Sexual Dysfunction
What is the definition of a sexual dysfunction?

Sexual Expression
Explains what is included in a definition of sexual expression.

Sexual Health
A definition of sexual health.

Sexual Identity
How does sexual identity differ from sexual orientation, or sexual behavior? Here’s a working definition of sexual identity.

Sexual Intimacy
There’s no one way to define sexual intimacy, but here’s a definition offered as a place to start defining sexual intimacy for yourself.

Sexual Orientation
Historically, researchers have conceptualized sexual orientation in a variety of different ways. Here is a practical definition of sexual orientation.

Sexual Performance Anxiety
Definition of the term sexual performance anxiety.

Sexual Pleasure
A definition of sexual pleasure.

Sexual Problem
What is the definition of a sexual problem?

Sexual Problems (reader definitions)
Readers share definitions of what makes something a sexual problem.

Sexual Surrogates
What is sexual surrogacy and who are sexual surrogates?

Sleep Sex or Sexsomnia
Explanation, prevalence, and theories regarding sexsomnia, or sleep sex.

Small Penis Syndrome
A proposed diagnosis for men who have anxiety about the size of their penis when they don’t have a clinically small penis.

Smoking Fetish
Explanation of smoking fetish.

Social Model of Sexuality
A definition of a social model of sexuality.

Sue Johanson
Sue Johanson is a registered nurse and a sex educator who had a popular television program in both Canada and the U.S. for many years.

Swinging
A definition of the term swinging, as in the sexual activity.

Teledildonics
The origins and meaning of the term teledildonic.

Trans*
Why some people are putting an asterisk after the word Trans.

Transgender
An example definition of the word transgender, a term people use to describe aspects of their gender identity.

Transphobia
A working definition of transphobia.

Transsexual
One definition of the word transsexual, a term people use to describe aspects of their gender identity.

Tribadism
Definition of the sexual activity tribadism.

Two-Spirit
Several different definitions and explanations of the term two-spirit in the context of a gender and sexual identity.

Uncircumcise
What does the term uncircumcised mean? Is it possible to undo a circumcision without surgery?

Vacuum Pumps
Describes the basics of vacuum pumps or vacuum erection devices, and the differences between these and penis pumps.

Vaginal Dilators
Who dilators are good for, what they are used for, and understanding the different types of dilators.

Vaginal Farts
Definition and explanation of vaginal farts.

Vaginoplasty
Definition of vaginoplasty, surgery that alters the internal and/or external female genitalia.

Vanilla Sex
A definition of the term vanilla sex.

Vasocongestion
Definition of vasocongestion in the context of sexual arousal and sexual response.

Vibrator
What is a vibrator?

Virginity
How has virginity been defined in the past, and how is it understood today?

Virtual Sex
There are many different definitions for virtual sex, here is a good place to start.

What Is Human Sexual Response?
How human sexual response is traditionally understood by sex therapists and researchers.

What Is Premature?
When it comes to ejaculation, what is premature?

What Is the Difference Between Sex and Gender?
Explains the difference between sex and gender, and why that difference matters to everyone's life.

Your Sexual Definitions
Readers share their ideas on how to define sex, what constitutes “real sex” and how they wish others would define sex.

Zoophilia
Definition of the term Zoophilia.

Pedophilia
What is pedophilia?

You can opt-out at any time. Please refer to our privacy policy for contact information.

©2014 About.com. All rights reserved.