COLUMN n. 8 definitions
Anything resembling, in form or position, a column an architecture; an upright body or mass; a shaft or obelisk; as, a column of air, of water, of mercury, etc. ; the Column Vendôme; the spinal column.
COLUMNAR a.
Formed in columns; having the form of a column or columns; like the shaft of a column. Columnar epithelium (Anat.), epithelium in which the cells are priismatic in form, and set upright on the surface they cover. -- Columnar structure (Geol.), a structure consisting of more or less regular columns, usually six-sided,…
AMPHIBOLE n.
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, horn…