A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

D & C
Common abbreviation for dilation and curettage.

D & E
Common abbreviation for dilation and evacuation.

dartos
A smooth muscle in the scrotum that causes the surface to wrinkle when it contracts.

deep throat
Slang term for a type of oral sex in which a man’s partner is able to overcome his or her gag-reflex and allow the penis to go deeply into their mouth, and sometimes actually down their throat.

defloration
An old term referring to the loss of virginity from the rupture of a virgin's hymen, through intercourse or other means.

delayed ejaculation
A sexual dysfunction characterized by the male's difficulties with ejaculating during intercourse.

Depo-Provera
A drug containing a long-acting synthetic hormones (medroxyprogesterone acetate); used as an injectable form of birth control in women, and as a form of chemical castration in men.

DES
Diethylstilbestrol, a synthetic estrogen once used to prevent miscarriages, that is now known to increase the risk of certain cancers not only in the women who were given the drug, but their offspring. It is still occasionally used as a form of "morning-after" birth control.

desensitization
A sex therapy technique used to overcome fears and phobias.

detumescence
The return of an erect penis to its flaccid state.

deviant sexual behavior
Sexual behavior that diverges from the norm.

DHT deficiency
A genetic disorder in which a male is unable to convert testosterone into the hormone

dihydrotestosterone (DHT).
DHT is required for the normal development of external male genitals and these individuals are usually identified as girls at birth, but at adolescence begin to develop male genitals.

diaphragm
A saucer-shaped rubber contraceptive device that is filled with spermicide and inserted into the back of the vagina to block the cervical opening.

dick
Slang term for penis.

Diethylstilbestrol (DES)
A synthetic estrogen once used to prevent miscarriages, that is now known to increase the risk of certain cancers not only in the women who were given the drug, but their offspring. It is still occasionally used as a form of "morning-after" birth control.

dihydrotestosterone (DHT)
A hormone converted in males from testosterone that is responsible for the development of the external genitals of the male fetus.

dilate
To enlarge; used to refer to the enlargement of the cervical opening during childbirth or abortion.

dilation and curettage (D&C)
Dilation of the cervix followed by scraping of the interior of the uterus. Used as a form of abortion and to stop abnormal bleeding.

dilation and evacuation (D&E)
An abortion method used rarely, and usually only in the second trimester; the conceptus is crushed and the contents of the uterus are then extracted through a vacuum curette.

dilation
Expansion of the cervix during labor or by the use of dilating rods during medical procedures.

dilatation
Expansion of the cervix by the use of dilating rods during medical procedures

dildo
A device used for sexual stimulation by insertion into the vagina or anus that is usually in the overall shape of a phallus. domination and submission

diphallia
The rare condition of having two penes (penises) instead of one. Photo by courtesy of urologist Dr. Surendrababu Badam, Kakinada, India.

discharge
The male ejaculate; An unusual or abnormal secretion of the vagina or urethra.

diurnal
Occurring during the daytime.

(D&S)
Sexual arousal derived from the acting out of sexual fantasies in which one person dominates while the other submits.

dominatrix
In bondage and discipline, a woman who specializes in "disciplining" a submissive partner.

douche
To flush out the inside of the vagina with water or another liquid. This practice is usually unnecessary and can actually upset the natural ph and floral balance of the vagina.

douching
Flushing out the inside of the vagina with water or another liquid. This practice is usually unnecessary and can actually upset the natural pH and floral balance of the vagina.

drag
Cross-dressing.

drag queen
A gay man who dresses as a woman for comic effect.

dry hump
Slang term for rubbing the genitals against a part of another person’s body (such as the thigh), often through clothes.

drip
A slang term for gonorrhea.

dyke
A term referring to a lesbian who dresses and acts in a stylized masculine manner.

dysmenorrhea
Painful menstruation.

dyspareunia
Painful intercourse.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #