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A slight convex swelling of the shaft of a column.

erness, malice, or hatred; to imbue as with venom; to imbitter. The envenomed tongue of calumny. Smollett. On the question of slavery opinion has of late years been peculiarly envenomed. Sir G. C. Lewis.

To plunge into, or roll in, flith; to wallow. So now all three one senseless lump remain, Enwallowed in his own black bloody gore. Spenser.

A hydrous phosphate of alumina and manganese. It is generally of a rose-pink color, -- whence the name.

The segment of the brain next behind the midbrain, including the cerebellum and pons; the hindbrain. Sometimes abbreviated to epen.

Upon or above the notochord; -- applied esp. to a vertebral column which develops upon the dorsal side of the notochord, as distinguished from a perichordal column, which develops around it.

mineral, commonly of a yellowish green (pistachio) color, occurring granular, massive, columnar, and in monoclinic crystals. It is a silicate of alumina, lime, and oxide of iron, or manganese.

An epipterygoid bone or cartilage; the columella in the skulls of many lizards.

A crystallized, transparent mineral of the Zeolite family. It is a hydrous silicate of alumina and lime.

A massive piece of stone or wood laid immediately on the abacus of the capital of a column or pillar; -- now called architrave.

Being of the same weight. A column of air . . . equiponderant to a column of quicksilver. Locke.

Milton. Among the Greek colonies and churches of Asia, Philadelphia is still erect -- a column of ruins. Gibbon.

An unusual redness, esp. in the plumage of birds, or hair of mammals, independently of age, sex, or season.

The contrivance in a timepiece which connects the train of wheel work with the pendulum or balance, giving to the latter the impulse by which it is kept in vibration; -- so called because it allows a tooth to escape from a pallet at each vibration.

A gaseous hydrocarbon, C2H6, forming a constituent of ordinary illuminating gas. It is the second member of the paraffin series, and its most important derivatives are common alcohol, aldehyde, ether, and acetic acid. Called also dimethyl.

not excepted, and to be the medium of transmission of light and heat; hence often called luminiferous ether.

A colorless, gaseous hydrocarbon, C2H4, forming an important ingredient of illuminating gas, and also obtained by the action of concentrated sulphuric acid in alcohol. It is an unsaturated compound and combines directly with chlorine and bromine to form oily liquids (Dutch liquid), -- hence called olefiant gas. Called…

transparent crystals, affording a brilliant clinodiagonal cleavage. It is a silicate of alumina and glucina.

An instrument for the volumetric measurement of gases; -- so named because frequently used to determine the purity of the air.

See Intercolumnlation.