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m, or resembling, fat; specifically, designating an acid (formerly called also sebic, and pyroleic, acid), obtained by the distillation or saponification of certain oils (as castor oil) as a white crystalline substance.

Knight. Shin bone (Anat.), the tibia. -- Shin leaf (Bot.), a perennial ericaceous herb (Pyrola elliptica) with a cluster of radical leaves and a raceme of greenish white flowers.

l sponge, especially Spongia equina. -- Platinum sponge. (Chem.) See under Platinum. -- Pyrotechnical sponge, a substance made of mushrooms or fungi, which are boiled in water, dried, and beaten, then put in a strong lye prepared with saltpeter, and again dried in an oven. This makes the black match, or tinder, broug…

at malleable but harder than calcium. It is chiefly employed (as in the nitrate) to color pyrotechnic flames red. Symbol Sr. Atomic weight 87.3. A radioactive isotope of strontium produced by certain nuclear reactions, and constituting one of the prominent harmful components of radioactive fallout from nuclear explosio…

s rock composed of orthoclase and hornblende, the latter often replaced or accompanied by pyroxene or mica. Syenite sometimes contains nephelite (elæolite) or leucite, and is then called nephelite (elæolite) syenite or leucite syenite.

heat or cold, especially as indicated by the sensation produced, or by the thermometer or pyrometer; degree of heat or cold; as, the temperature of the air; high temperature; low temperature; temperature of freezing or of boiling.

Same as Pyroboric.

of two dissimilar conductors used to produce a thermoelectric current, as in one form of pyrometer; a thermocouple.

A metallic element found in certain rare minerals, as thorite, pyrochlore, monazite, etc., and isolated as an infusible gray metallic powder which burns in the air and forms thoria; -- formerly called also thorinum. Symbol Th. Atomic weight 232.0.

Amphibole resulting from the alternation of pyroxene by paramorphism. It is not uncommon in massive eruptive rocks.

The change of pyroxene to amphibole by paramorphism.

or obtained from, grapes; specifically, designating an organic acid, C7H8O3 (also called pyrotritartaric acid), obtained as a white crystalline substance by the decomposition of tartaric and pyrotartaric acids.

g, an acid which is obtained as a white crystalline substance by the action of ammonia on pyrotartaric acid.

on obtained by the decomposition of veratric acid, and constituting the dimethyl ether of pyrocatechin.

aining large quantities of acetic acid; hence, specifically, acetic acid. Formerly called pyroligneous acid. -- Wood anemone (Bot.), a delicate flower (Anemone nemorosa) of early spring; -- also called windflower. See Illust. of Anemone. -- Wood ant (Zoöl.), a large ant (Formica rufa) which lives in woods and forests…

A substance resembling pyroxylin, obtained by the action of nitric acid on starch; -- called also nitramidin.