Term: ammonium: the ion NH4 derived from ammonia; behaves in many respects like an alkali metal ion
Broader: ammonia: a pungent gas compounded of nitrogen and hydrogen (NH3) | Unrelated: choirboy: a boy who sings in a choir
Broader: ammonia: a pungent gas compounded of nitrogen and hydrogen (NH3) | Unrelated: headboard: a vertical board or panel forming the head of a bedstead
Broader: ammonia: a pungent gas compounded of nitrogen and hydrogen (NH3) | Unrelated: edible nut: a hard-shelled seed consisting of an edible kernel or meat enclosed in a woody or leathery shell
Broader: ammonia: a pungent gas compounded of nitrogen and hydrogen (NH3) | Unrelated: choral ode: ode sung by the chorus in classical Greek drama
Broader: ammonia: a pungent gas compounded of nitrogen and hydrogen (NH3) | Unrelated: swash: the movement or sound of water
Broader: ammonia: a pungent gas compounded of nitrogen and hydrogen (NH3) | Unrelated: cardiac rhythm: the rhythm of a beating heart
Broader: ammonia: a pungent gas compounded of nitrogen and hydrogen (NH3) | Unrelated: himantoglossum: small genus of terrestrial orchids of Europe and Mediterranean region
Broader: ammonia: a pungent gas compounded of nitrogen and hydrogen (NH3) | Unrelated: guardhouse: a military facility that serves as the headquarters for military police and in which military prisoners can be detained
Broader: ammonia: a pungent gas compounded of nitrogen and hydrogen (NH3) | Unrelated: rissa: a genus of Laridae
Broader: ammonia: a pungent gas compounded of nitrogen and hydrogen (NH3) | Unrelated: mons: a mound of fatty tissue covering the pubic area in women