Defn: A mineral of an iron-black color, and very sectile, consisting principally of sulphur, antimony, and silver.
MIAS
Mi"as, n. Etym: [Malayan.]
Defn: The orang-outang.
MIASCITE
Mi*asc"ite, n. Etym: [Named from Miask, in the Ural Mountains.]
(Min.)
Defn: A granitoid rock containing feldspar, biotite, elæolite, and sodalite.
MIASM
Mi"asm, n. Etym: [Cf. F. miasme.]
Defn: Miasma.
MIASMA
Mi*as"ma, n.; pl. Miasmata. Etym: [NL., fr. Gr.
Defn: Infectious particles or germs floating in the air; air made noxious by the presence of such particles or germs; noxious effluvia; malaria.
MIASMAL
Mi*as"mal, a.