English word neogen comes from English neo-, English -gen (A producer of something, e.g. hydrogen.)
| 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chemistry) Having a structure, similar to that of neopentane, in which each hydrogen atom of a methyl group has been replaced by an alkyl group.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. |
| -gen | English (eng) | A producer of something, e.g. hydrogen. |
| neogen | English (eng) | (chemistry, archaic) An alloy resembling silver, consisting chiefly of copper, zinc, and nickel, with small proportions of tin, aluminium, and bismuth. |