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Habituation. Accustomedness to sin hardens the heart. Bp. Pearce.

Methyl ketol; also, any of various homologues of the same.

Same as Acetimeter. Brande & C.

A morbid condition characterized by the presence of acetone in the blood, as in diabetes.

A volatile liquid consisting of three parts of carbon, six of hydrogen, and one of oxygen; pyroacetic spirit, -- obtained by the distillation of certain acetates, or by the destructive distillation of citric acid, starch, sugar, or gum, with quicklime.

Of or pertaining to acetone; as, acetonic bodies.

Excess of acetone in the urine, as in starvation or diabetes.

A crystalline ketone, CH3COC6H5, which may be obtained by the dry distillation of a mixture of the calcium salts of acetic and benzoic acids. It is used as a hypnotic under the name of hypnone.

Sour like vinegar; acetous.

The quality of being acetous; sourness.

Having a sour taste; sour; acid. "An acetous spirit." Boyle. "A liquid of an acetous kind." Bp. Lowth.

Purveyor; acater. [Obs.] Chaucer.

Color blindness; inability to distinguish colors; Daltonism.

Lacking, or deficient in, color; as, achromatous blood.

One who acquires.

Color blindness; achromatopsy.

Acronycal.

Having a cleavage parallel with the base.

The mouth or anterior opening of a coelenterate animal.

fed jacket worn under the mail, or (later) a jacket plated with mail. [Spelled also hacqueton.] [Obs.] Halliwell. Sir W. Scott.