Summary

Portrait of Thomas Davidson Thomas Davidson,  Chambers's Twentieth Century Dictionary 1908… (1908)

“ Instruc′tor:—fem. Instruc′tress. [L. instruĕre, instructum—in, in, struĕre, to pile up.]
Instrument, in′strōō-ment, n. a tool or utensil: a machine producing musical sounds: a writing containing a contract: one who, or that which, is made a means.—adj. Instrument′al, acting as an instrument or means: serving to promote an object: helpful: belonging to or produced by musical instruments: (gram.) serving to indicate the instrument or means—of a case in Sanskrit, involving the notion of by or with.—ns. Instrument′alist, one who plays on a musical instrument
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Source: Wikisource

Portrait of Thomas Davidson Thomas Davidson,  Chambers's Twentieth Century Dictionary 1908… (1908)

“ Ink′ing-roll′er, a roller covered with a composition for inking printing types; Ink′-stone, a kind of stone containing sulphate of iron, used in making ink.—adj. Ink′y, consisting of or resembling ink: blackened with ink.—n. Print′ing-ink (see Print) .—China ink, Indian ink, a mechanical mixture of the purest and densest lampblack, with a solution of gum or gelatine; Invisible or Sympathetic ink, a kind of ink which remains invisible on the paper until it is heated.—Sling ink (slang) , to write: to earn one's bread by writing. ”
Source: Wikisource

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