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Webster’s Dictionary (1828)



767 words match “BASE”

PENTACID n.
five hydrogen atoms capable of substitution by acid residues; -- said of certain complex bases.
PENTAIL n.
wii) of Borneo; -- so called from its very long, quill-shaped tail, which is scaly at the base and plumose at the tip.
PENTALPHA n.
A five-pointed star, resembling five alphas joined at their bases; -- used as a symbol.
PERSONATE a. 6 definitions
Having the throat of a bilabiate corolla nearly closed by a projection of the base of the lower lip; masked, as in the flower of the snapdragon.
PERSULPHATE n.
A sulphate of the peroxide of any base. [R.]
PHENANTHRIDINE n.
A nitrogenous hydrocarbon base, C13H9N, analogous to phenanthrene and quinoline.
PHENANTHROLINE n.
Either of two metameric nitrogenous hydrocarbon bases, C12H8N2, analogous to phenanthridine, but more highly nitrogenized.
PHENYL n.
nyl hydrate (Chem.), phenol or carbolic acid. -- Phenyl hydrazine (Chem.), a nitrogenous base (C6H5.N2H3) produced artificially as a colorless oil which unites with acids, ketones, etc., to form well-crystallized compounds.
PHENYLAMINE n.
Any one of certain class of organic bases regarded as formed from ammonia by the substitution of phenyl for hydrogen.
PHILANTHROPINISM n.
of education on so-called natural principles, attempted in Germany in the last century by Basedow, of Dessau.
PHILOSOPHER n. 3 definitions
, an imaginary stone which the alchemists formerly sought as instrument of converting the baser metals into gold.
PHONOGRAPHIC; PHONOGRAPHICAL a. 2 definitions
Of or pertaining to phonography; based upon phonography.
PHYSIOCRAT n.
ers of Quesnay of France, who, in the 18th century, founded a system of political economy based upon the supremacy of natural order. F. A. Walker. -- Phys`i*o*crat"ic, a.
PICKTHANK n.
; an officious person; hence, a flatterer. Used also adjectively. Smiling pickthanks, and base newsmongers. Shak.
PICOLINE n.
Any one of three isometric bases (C6H7N) related to pyridine, and obtained from bone oil, acrolein ammonia, and coal-tar naphtha, as colorless mobile liquids of strong odor; -- called also methyl pyridine.
PIECEWORK n.
Work done by the piece or job; work paid for at a rate based on the amount of work done, rather than on the time employed. The reaping was piecework, at so much per acre. R. Jefferies.
PIEDMONT a.
Noting the region of foothills near the base of a mountain chain.
PIGEON n. 3 definitions
s of China, as the medium of communication between foreign merchants and the Chinese. Its base is English, with a mixture of Portuguese and Hindoostanee. Johnson's Cyc. -- Pigeon grass (Bot.), a kind of foxtail grass (Setaria glauca), of some value as fodder. The seeds are eagerly eaten by pigeons and other birds. --…
PILASTER n.
e Pier, 1 (b)), but architecturally corresponding to a column, having capital, shaft, and base to agree with those of the columns of the same order. In most cases the projection from the wall is one third of its width, or less.
PIPERAZINE; PIPERAZIN n.
d by action of ammonia on ethylene bromide, by reduction of pyrazine, etc. It is a strong base, and is used as a remedy for gout.
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