DICT.TW Dictionary Taiwan
18.226.226.169
Search for:
▼[Show options]
[Pronunciation] [Help] [Database Info] [Server Info]

2 definitions found

From: Webster's Revised Unabridged Dictionary (1913)

 Psi·lom·e·lane n.  Min. A hydrous oxide of manganese, occurring in smooth, botryoidal forms, and massive, and having an iron-black or steel-gray color.
 ◄ ►

From: WordNet (r) 2.0

 psilomelane
      n : a mineral consisting of hydrated basic oxide of manganese
          and barium; a source of manganese