Search:columnar -> COLUMNAR
columnar
c o l u m n a r hex:#99;#111;#108;#117;#109;#110;#97;#114;
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- Columnar - a. - Formed in columns; having the form of a column or columns; like the shaft of a column.
- Columnarity - n. - The state or quality of being columnar.
- Witherite - n. - Barium carbonate occurring in white or gray six-sided twin crystals, and also in columnar or granular masses.
- Subcolumnar - a. - Having an imperfect or interrupted columnar structure.
- Amphibole - n. - A common mineral embracing many varieties varying in color and in composition. It occurs in monoclinic crystals; also massive, generally with fibrous or columnar structure. The color varies from white to gray, green, brown, and black. It is a silicate of magnesium and calcium, with usually aluminium and iron. Some common varieties are tremolite, actinolite, asbestus, edenite, hornblende (the last name being also used as a general term for the whole species). Amphibole is a constituent of many crystalline rocks, as syenite, diorite, most varieties of trachyte, etc. See Hornblende.
- Hubner - n. - A mineral of brownish black color, occurring in columnar or foliated masses. It is native manganese tungstate.
- Dildo - n. - A columnar cactaceous plant of the West Indies (Cereus Swartzii).
- Fibrolite - n. - A silicate of alumina, of fibrous or columnar structure. It is like andalusite in composition; -- called also sillimanite, and bucholizite.
- Ilvaite - n. - A silicate of iron and lime occurring in black prismatic crystals and columnar masses.
- Zoisite - n. - A grayish or whitish mineral occurring in orthorhombic, prismatic crystals, also in columnar masses. It is a silicate of alumina and lime, and is allied to epidote.
- Actinolite - n. - A bright green variety of amphibole occurring usually in fibrous or columnar masses.
- Odontoblast - n. - One of the more or less columnar cells on the outer surface of the pulp of a tooth; an odontoplast. They are supposed to be connected with the formation of dentine.