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Pertaining to, or containing, columbium or niobium; niobic. Columbic acid (Chem.), a weak acid derived from columbic or niobic oxide, Nb2O5; -- called also niobic acid.

See Colombier.

Producing or containing columbium.

A white, crystalline, bitter substance. See Calumbin.

Of or pertaining to a dove; dovelike; dove-colored. "Columbine innocency." Bacon.

lack color, submetallic luster, and high specific specific gravity. It is a niobate (or columbate) of iron and manganese, containing tantalate of iron; -- first found in New England.

A rare element of the vanadium group, first found in a variety of the mineral columbite occurring in Connecticut, probably at Haddam. Atomic weight 94.2. Symbol Cb or Nb. Now more commonly called niobium.

See Calumba.

The 12th day of October, on which day in 1492 Christopher Columbus discovered America, landing on one of the Bahama Islands (probably the one now commonly called Watling Island), and naming it "San Salvador"; -- called also Discovery Day. This day is made a legal holiday in many States of The United States.…

A columnlike axis in the capsule of mosses.

Shaped like a little column, or columella.

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.

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,…

The state or quality of being columnar.

Having columns; as, columnated temples.

Having columns. Troas and Ilion's columned citadel. Tennyson.

The employment or arrangement of columns in a structure. Gwilt.

The coral or skeleton of a zoöphyte, whether calcareous of horny, simple or compound. See Coral.

A small hornlike part or process.

A hornlike tuft of feathers on the head of some birds.