am·mo·ni·um 
(ə-mōnē-əm)
(ə-mōnē-əm)n.
The univalent chemical ion NH4+, derived from ammonia, whose compounds chemically resemble the alkali metals.
[AMMON(IA) + -IUM.]
- Indo-European root: segh-
- Indo-European root: sek-
- Indo-European root: sekw-
- Indo-European root: sekw-
- Indo-European root: sekw-
- Indo-European root: sel-
- Indo-European root: sem-
- Indo-European root: sem-
- Indo-European root: sen-
- Indo-European root: sengwh-
- Indo-European root: sent-
- Indo-European root: sep-
- Indo-European root: septm̥
- Indo-European root: ser-
- Indo-European root: ser-
- Indo-European root: seuə-
- Indo-European root: seuə-
- Indo-European root: skand-
- Indo-European root: skei-
- Indo-European root: skel-
- Indo-European root: skel-
- Indo-European root: sker-
- Indo-European root: sker-
- Indo-European root: sker-
- Indo-European root: (s)keu-