"Trimetric" is a word in ENGLISH

A plane of an orthorhombic crystal which is parallel both to the vertical axis and to the shorter lateral (brachydiagonal) …

A mineral consisting of titanic oxide, and hence identical with rutile and octahedrite in composition, but crystallizing in the orthorhombic …

An iron-black mineral of metallic luster, occurring in small orthorhombic crystals, also massive. It contains sulphur, arsenic, copper, and often …

A mineral of the pyroxene group, orthorhombic in crystallization; often fibrous and massive; color grayish white or greenish. It is …

An orthorhombic mineral of the pyroxene group, of a grayish or greenish black color, often with a peculiar bronzelike luster …

A mineral of an olive-green color, commonly in orthorhombic crystals. It is a hydrous phosphate of copper.

A dome parallel to the longer lateral axis of an orthorhombic crystal. See Dome, n., 4.

One of the two planes of an orthorhombic crystal which are parallel to the vertical and longer lateral (macrodiagonal) axes.

A prism of an orthorhombic crystal between the macropinacoid and the unit prism; the corresponding pyramids are called macropyramids.

Noting the system of crystallization which has three unequal axes at right angles to each other; trimetric. See Crystallization.

Same as Orthorhombic.

Same as Orthorhombic.

A leek-green or brownish mineral occurring in orthorhombic crystals. It is a hydrous arseniate of iron.

A grayish or whitish mineral occurring in orthorhombic, prismatic crystals, also in columnar masses. It is a silicate of alumina …