secondary sexual characteristic
— Noun
– English
~ the genetically determined sex characteristics that are not functionally necessary for reproduction (pitch of the voice and body hair and musculature)
sexual practice
— Noun
– English
~ activities associated with sexual intercourse; "they had sex in the back seat"
sexual immorality
— Noun
– English
~ the evil ascribed to sexual acts that violate social conventions; "sexual immorality is the major reason for last year's record number of abortions"