noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The amino radical, •NH₂, the neutral form of the amide ion −NH₂⁻, regardable as the ammonia molecule with one of its hydrogen atoms removed. dated

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Synonyms

All synonyms

amido groupamido radicalamino radicalaminyl radicalazanyl radicaldihydridonitrogen

Example

More examples

"Chemical formulae: NH₂, *NH₂,\dot{}NH₂, \dot NH₂, NH₂*"

Etymology

From amide + -o- + -gen.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.