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irable gas, remaining after an explosion of fire damp in mines; choke damp. See Carbonic acid.

A semipellucid, uncrystallized variety of quartz, presenting various tints in the same specimen. Its colors are delicately arranged in stripes or bands, or blended in clouds.

An extrinsic circumstance or accident which increases the guilt of a crime or the misery of a calamity.

To be conformable; to resemble; to coincide; to correspond; as, the picture does not agree with the original; the two scales agree exactly.

ny plants. It is soluble in water is coagulated by heat ad by certain chemical reagents. Acid albumin, a modification of albumin produced by the action of dilute acids. It is not coagulated by heat. -- Alkali albumin, albumin as modified by the action of alkaline substances; -- called also albuminate.…

A compound or class of compounds formed from albumin by dilute acids or by an acid solution of pepsin. Used also in combination, as antialbumose, hemialbumose.

Of or pertaining to aldehyde; as, aldehydic acid. Miller.

having an openc-hain structure. The aliphatic compounds thus include not only the fatty acids and other derivatives of the paraffin hydrocarbons, but also unsaturated compounds, as the ethylene and acetylene series.

ammonia in which a part of the hydrogen has been replaced by basic, and another part by acid, atoms or radicals.

and water, uniting with oils and fats to form soap, neutralizing and forming salts with acids, turning to brown several vegetable yellows, and changing reddened litmus to blue. Fixed alkalies, potash and soda. -- Vegetable alkalies. Same as Alkaloids. -- Volatile alkali, ammonia, so called in distinction from the fi…

Same as Cacodylic acid.

Pertaining to, or contained in, the allantois. Allantoic acid. (Chem.) See Allantoin.

substance found in the allantoic liquid of the fetal calf; -- formerly called allantoic acid and amniotic acid.

An oxidation product of uric acid. It is of a pale reddish color, readily soluble in water or alcohol.

A combination of alloxanic acid and a base or base or positive radical.

Of or pertaining to alloxan; -- applied to an acid obtained by the action of soluble alkalies on alloxan.

A substance produced by acting upon uric with warm and very dilute nitric acid.

A crystalline derivative of salicylic acid, used as an antiseptic and antirheumatic.

altered. Our condition in this world is mutable and uncertain, alterable by a thousand accidents. Rogers.

choice between more than two things; one of several things offered to choose among. My decided preference is for the fourth and last of thalternatives. Gladstone.