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Cell division in which there is first a simple cleavage of the nucleus without change in its structure (such as the formation of chromosomes), followed by the division of the cytoplasm; direct cell division; -- opposed to mitosis. It is not the usual mode of division, and is believed by many to occur chiefly in highly…

Of or pertaining to amitosis; karyostenotic; -- opposed to mitotic.

dividuals, societies, or nations; friendly relations; good understanding; as, a treaty of amity and commerce; the amity of the Whigs and Tories. To live on terms of amity with vice. Cowper.

An abbes or spiritual mother.

A contraction of amperometer or ampèremeter.

An obsolete form of admiral. "The mast of some great ammiral." Milton.

Oölite or roestone; -- written also hammite. [Obs.]

One of a genus of fishes; the sand eel.

An explosive consisting of a mixture of powdered aluminium and nitrate of ammonium.

A gaseous compound of hydrogen and nitrogen, NH3, with a pungent smell and taste: -- often called volatile alkali, and spirits of hartshorn.

Of or pertaining to ammonia, or possessing its properties; as, an ammoniac salt; ammoniacal gas. Ammoniacal engine, an engine in which the vapor of ammonia is used as the motive force. -- Sal ammoniac Etym: [L. sal ammoniacus], the salt usually called chloride of ammonium, and formerly muriate of ammonia.…

The concrete juice (gum resin) of an umbelliferous plant, the Dorema ammoniacum. It is brought chiefly from Persia in the form of yellowish tears, which occur singly, or are aggregated into masses. It has a peculiar smell, and a nauseous, sweet taste, followed by a bitter one. It is inflammable, partially soluble in wa…

Any fermentation process by which ammonia is formed, as that by which urea is converted into ammonium carbonate when urine is exposed to the air.

Combined or impregnated with ammonia.

Of or pertaining to ammonia.

d or plaited, and the siphuncle dorsal. Also called serpent stone, snake stone, and cornu Ammonis.

Containing fossil ammonites.

An extensive group of fossil cephalopods often very abundant in Mesozoic rocks. See Ammonite.

A compound radical, NH4, having the chemical relations of a strongly basic element like the alkali metals.

Any stock of missiles, literal or figurative. Ammunition bread, shoes, etc., such as are contracted for by government, and supplied to the soldiers. [Eng.]