English word neopenis comes from English neo-, English penis
| Dictionary entry | Language | Definition |
|---|---|---|
| neo- | English (eng) | (organic chemistry) Being a newly-discovered or -synthesized variant of an existing compound. (organic chemistry) Having a structure, similar to that of neopentane, in which each hydrogen atom of a methyl group has been replaced by an alkyl group. Contemporary. New. |
| penis | English (eng) | (anatomy) The male reproductive organ used for sexual intercourse that in the human male and some other mammals is also used for urination; the tubular portion of the male genitalia (excluding the scrotum). |
| neopenis | English (eng) | The penis of a transgender person who has changed from female to male, made from the former clitoris. |