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See Amidst.

A compound formed by the union of amidogen with an acid element or radical. It may also be regarded as ammonia in which one or more hydrogen atoms have been replaced by an acid atom or radical. Acid amide, a neutral compound formed by the substitution of the amido group for hydroxyl in an acid.

Start modified by heat so as to become a transparent mass, like horn. It is soluble in cold water.

Containing, or derived from, amidogen. Amido acid, an acid in which a portion of the nonacid hydrogen has been replaced by the amido group. The amido acids are both basic and acid. -- Amido group, amidogen, NH2.

from the molecule of which one of its hydrogen atoms has been removed; -- called also the amido group, and in composition represented by the form amido.

A salt of a diamino phenol, C6H3(OH)(NH2)2, used as a developer.

In the middle of a ship, with regard to her length, and sometimes also her breadth. Totten.

In the midst or middle of; surrounded or encompassed by; among. "This fair tree amidst the garden." "Unseen amid the throng." "Amidst thick clouds." Milton. "Amidst acclamations." "Amidst the splendor and festivity of a court." Macaulay. But rather famish them amid their plenty. Shak.

A white crystalline solid, from ammonia by replacement of an equivalent of hydrogen by acetyl.

One of a series of compounds that may be regarded as ammonia in which a part of the hydrogen has been replaced by basic, and another part by acid, atoms or radicals.

A transparent crystalline substance, C6H5.CO.NH2, obtained by the action of ammonia upon chloride of benzoyl, as also by several other reactions with benzoyl compounds.

Consisting of two pyramids placed base to base; having a pyramid at each of the extremities of a prism, as in quartz crystals.

The technical name for urea.

A compound of chloral and formic amide used to produce sleep.

Any compound containing two amido groups united with one or more acid or negative radicals, -- as distinguished from a diamine. Cf. Amido acid, under Amido, and Acid amide, under Amide.

A prefix or combining form of Diamine.

One of a group of crystalline bodies produced by the action of ammonia on certain aldehydes.

An acid amide derived from lactic acid, and obtained as a white crystalline substance having a neutral reaction. It is metameric with alanine.

See Macroprism.

The acid amide derived from malic acid, as a white crystalline substance metameric with asparagine.