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n colors, esp. red; color blindness. It has various forms and degrees. So called from the chemist Dalton, who had this infirmity. Nichol.

The state of being affected by slight causes; sensitiveness; as, the delicacy of a chemist's balance.

ch oil. It is so called because discovered (in 1795) by an association of four Hollandish chemists. See Ethylene, and Olefiant. -- Dutch oven, a tin screen for baking before an open fire or kitchen range; also, in the United States, a shallow iron kettle for baking, with a cover to hold burning coals. -- Dutch pink,…

Of or pertaining to electro-chemistry. Ure.

its contents laterally without danger of spilling; -- so called from Erlenmeyer, a German chemist who invented it. -- Florence flask. Etym: [From Florence in Italy.] (a) Same as Betty, n., 3. (b) A glass flask, round or pear-shaped, with round or flat bottom, and usually very thin to allow of heating solutions. -- Po…

lead or copper leaves its surface; -- also called blick. A phenomenon called, by the old chemists, fulguration. Ure.

An aëriform fluid; -- a term used at first by chemists as synonymous with air, but since restricted to fluids supposed to be permanently elastic, as oxygen, hydrogen, etc., in distinction from vapors, as steam, which become liquid on a reduction of temperature. In present usage, since all of the supposed permanent gase…

A graduated cup, tube, or flask; a measuring glass used by apothecaries and chemists. See under Graduated.

griffin. [Obs.] Like a white hind under the gripe's sharp claws. Shak. Gripe's egg, an alchemist's vessel. [Obs.] E. Jonson.

ing c and g indicates that those consonants have the hard sound before e, i, and y, as in chemistry, chiromancy, chyle, Ghent, Ghibelline, etc.; in some others, ch has the sound of sh, as in chicane. See Guide to Pronunciation, §§ 153, 179, 181-3, 237-8.

etic philosophy. Hence: Alchemical; chemic. "Delusions of the hermetic art." Burke. The alchemists, as the people were called who tried to make gold, considered themselves followers of Hermes, and often called themselves Hermetic philosophers. A. B. Buckley.

olygons are the homologues of each other; the members or terms of an homologous series in chemistry are the homologues of each other; one of the bones in the hand of man is the homologue of that in the paddle of a whale.

Principle; an element; -- used by the alchemists in speaking of salt, sulphur, and mercury, which they considered as the three principles of all material bodies.

Of or pertaining to iatrochemistry, or to the iatrochemists.

matics to the human body, and hence were eager student of anatomy; -- opposed to the iatrochemists.

s, those sciences which admit of, and employ, the inductive method, as astronomy, botany, chemistry, etc.

rcha.C5H8 -- unsaturated, and used to make synthetic rubber by polymerization. In organic chemistry, viewed conceptually as the building block of the terpene series of hydrocarbons

A pot or vessel with a large neck, formerly used by physicians and alchemists. [Obs.] Halliwell.

Potassium; -- so called by the German chemists.

A chemist. [Obs.] Boyle.