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"Section C"

Some
species, as Columbella mercatoria, were formerly used as
shell money.


Co*lum"bi*a (?), n. America;
the United States; -- a poetical appellation given in honor of
Columbus, the discoverer.
Dr. T. Dwight.


Co*lum"bi*ad (?), n. [From
Columbia the United States.] (Mil.) A form of
seacoast cannon; a long, chambered gun designed for throwing shot
or shells with heavy charges of powder, at high angles of
elevation.


&fist; Since the War of 1812 the Columbiad has been
much modified, especially by General Rodman, and the improved
form now used in seacoast defense is often called the Rodman
gun
.


Co*lum"bi*an (?), a. [From
Columbia.] Of or pertaining to the United States, or
to America.


Co*lum"bic (?), a. [From
Columbium.] (Chem.) 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
.


Co*lum"bic, a. [From
Columbo.] Pertaining to, or derived from, the columbo
root.


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