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Table of Contents -- saltpetre POS
HYPHEN
WORDNET DICTIONARY
CIDE DICTIONARY
OXFORD DICTIONARY

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saltpetre

POS

Noun

HYPHEN

salt=pe=tre

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WORDNET DICTIONARY

Noun saltpetre has 1 sense

saltpetre(n = noun.substance) niter, nitre, potassium nitrate, saltpeter - (KNO3) used especially as a fertilizer and explosive;

is a kind of nitrate

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CIDE DICTIONARY

saltpetre, n. [F. salpêtre, NL. sal petrae, literally, rock salt, or stone salt; so called because it exudes from rocks or walls. See Salt, and Petrify.].

Potassium nitrate; niter; a white crystalline substance, KNO3, having a cooling saline taste, obtained by leaching from certain soils in which it is produced by the process of nitrification (see Nitrification, 2). It is a strong oxidizer, is the chief constituent of gunpowder, and is also used as an antiseptic in curing meat, and in medicine as a diuretic, diaphoretic, and refrigerant. [1913 Webster]

Chili salpeter (Chem.), sodium nitrate (distinguished from potassium nitrate, or true salpeter), a white crystalline substance, NaNO3, having a cooling, saline, slightly bitter taste. It is obtained by leaching the soil of the rainless districts of Chili and Peru. It is deliquescent and cannot be used in gunpowder, but is employed in the production of nitric acid. Called also cubic niter. -- Saltpeter acid (Chem.), nitric acid; -- sometimes so called because made from saltpeter.

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OXFORD DICTIONARY

saltpetre, n. (US saltpeter) potassium nitrate, a white crystalline salty substance used in preserving meat and as a constituent of gunpowder.

Etymology

ME f. OF salpetre f. med.L salpetra prob. for sal petrae (unrecorded) salt of rock (i.e. found as an incrustation): assim. to SALT