Webster
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Webster’s Revised Unabridged Dictionary · 1913

Pressure

Pres′sure, n. [OF., fr. L. pressura, fr. premere. See 4th Press.] 1. The act of pressing, or the condition of being pressed; compression; a squeezing; a crushing; as, a pressure of the hand.

2. A contrasting force or impulse of any kind; as, the pressure of poverty; the pressure of taxes; the pressure of motives on the mind; the pressure of civilization.

Where the pressure of danger was not felt. Macaulay.

3. Affliction; distress; grievance.

My people's pressures are grievous. Eikon Basilike.

In the midst of his great troubles and pressures. Atterbury.

4. Urgency; as, the pressure of business.

5. Impression; stamp; character impressed.

All saws of books, all forms, all pressures past. Shak.

6. (Mech.) The action of a force against some obstacle or opposing force; a force in the nature of a thrust, distributed over a surface, often estimated with reference to the amount upon a unit's area.

Atmospheric pressure, Center of pressure, etc. See under Atmospheric, Center, etc. — Back pressure (Steam engine), pressure which resists the motion of the piston, as the pressure of exhaust steam which does not find free outlet. — Fluid pressure, pressure like that exerted by a fluid. It is a thrust which is normal and equally intense in all directions around a point. Rankine. — Pressure gauge, a gauge for indicating fluid pressure; a manometer.

Webster’s Revised Unabridged Dictionary, Noah Porter, editor (Springfield, Mass.: G. & C. Merriam, 1913). Public domain. Text as transcribed by MICRA, Inc., from Project Gutenberg. Changed for Deep Dive Bible: Greek, which our source spelled in Latin letters, set in Greek letters; entries of one spelling merged into one article; Greek words our source left out (shown as “?”), read from the 1898 printing, from the same plates (the Library of Congress’s copy), where the place could be found with certainty. Of the others, 1,362 (a word or a single letter each) were inferred by AI from the context by the dictionary’s own rules and are marked with a wavy underline (tap or point at one to see the note); the rest, which could not be inferred with confidence, are left as “?”.