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sexual selection

(Encyclopedia)sexual selection: see selection. ...

selection

(Encyclopedia)selection. In Darwinism, the mechanism of natural selection is considered of major importance in the process of evolution. Popular formulations sometimes envisage a struggle for existence in which dir...

sexual harassment

(Encyclopedia)sexual harassment, in law, verbal or physical behavior of a sexual nature, aimed at a particular person or group of people, especially in the workplace or in academic or other institutional settings, ...

perversion, sexual

(Encyclopedia)perversion, sexual, in psychology, sexual behavior deemed pathological by its deviation from “normal” sexual desire. The definition of sexual perversion has shifted considerably over time: indeed,...

natural selection

(Encyclopedia)natural selection: see selection. ...

Martial

(Encyclopedia)Martial (Marcus Valerius Martialis) märˈshəl [key], c.a.d. 40–c.a.d. 104, Roman epigrammatic poet, b. Bilbilis, Spain. After a.d. 64 he lived in Rome for many years, winning fame by his wit and p...

breeding

(Encyclopedia)breeding, in agriculture and animal husbandry, propagation of plants and animals by sexual reproduction; usually based on selection of parents with desirable traits to produce improved progeny. In con...

Darwinism

(Encyclopedia)Darwinism, concept of evolution developed in the mid-19th cent. by Charles Robert Darwin. Darwin's meticulously documented observations led him to question the then current belief in special creation ...

sex therapy

(Encyclopedia)sex therapy, treatment of sexual disorders and dysfunction, including impotence, orgasmic dysfunction, vaginismus (spasm of the muscles of the vagina), premature ejaculation, and lack of sexual respon...

masochism

(Encyclopedia)masochism măsˈəkĭzəm [key], sexual disorder in which sexual arousal is derived from subjection to physical and emotional degradation. A type of paraphilia (see perversion, sexual), masochism is e...