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bore1

[bawr, bohr] /bɔr, boʊr/
verb (used with object), bored, boring.
1.
to pierce (a solid substance) with some rotary cutting instrument.
2.
to make (a hole) by drilling with such an instrument.
3.
to form, make, or construct (a tunnel, mine, well, passage, etc.) by hollowing out, cutting through, or removing a core of material:
to bore a tunnel through the Alps; to bore an oil well 3000 feet deep.
4.
Machinery. to enlarge (a hole) to a precise diameter with a cutting tool within the hole, by rotating either the tool or the work.
5.
to force (an opening), as through a crowd, by persistent forward thrusting (usually followed by through or into); to force or make (a passage).
verb (used without object), bored, boring.
6.
to make a hole in a solid substance with a rotary cutting instrument.
7.
Machinery. to enlarge a hole to a precise diameter.
8.
(of a substance) to admit of being bored:
Certain types of steel do not bore well.
noun
9.
a hole made or enlarged by boring.
10.
the inside diameter of a hole, tube, or hollow cylindrical object or device, such as a bushing or bearing, engine cylinder, or barrel of a gun.
Origin
900
before 900; Middle English; Old English borian; cognate with Old High German borōn, Old Norse bora, Latin forāre
Related forms
boreable, borable, adjective
Can be confused
board, bored, committee, council, panel, trust (see synonym study at trust)
Synonyms
1. perforate, drill. 10. caliber.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for bore through

bore1

/bɔː/
verb
1.
to produce (a hole) in (a material) by use of a drill, auger, or other cutting tool
2.
to increase the diameter of (a hole), as by an internal turning operation on a lathe or similar machine
3.
(transitive) to produce (a hole in the ground, tunnel, mine shaft, etc) by digging, drilling, cutting, etc
4.
(intransitive) (informal) (of a horse or athlete in a race) to push other competitors, esp in order to try to get them out of the way
noun
5.
a hole or tunnel in the ground, esp one drilled in search of minerals, oil, etc
6.
  1. a circular hole in a material produced by drilling, turning, or drawing
  2. the diameter of such a hole
7.
  1. the hollow part of a tube or cylinder, esp of a gun barrel
  2. the diameter of such a hollow part; calibre
8.
(Austral) an artesian well
Word Origin
Old English borian; related to Old Norse bora, Old High German borōn to bore, Latin forāre to pierce, Greek pharos ploughing, phárunxpharynx

bore2

/bɔː/
verb
1.
(transitive) to tire or make weary by being dull, repetitious, or uninteresting
noun
2.
a dull, repetitious, or uninteresting person, activity, or state
Derived Forms
bored, adjective
Word Origin
C18: of unknown origin

bore3

/bɔː/
noun
1.
a high steep-fronted wave moving up a narrow estuary, caused by the tide
Word Origin
C17: from Old Norse bāra wave, billow

bore4

/bɔː/
verb
1.
the past tense of bear1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for bore through

bore

v.

Old English borian "to bore through, perforate," from bor "auger," from Proto-Germanic *buron (cf. Old Norse bora, Swedish borra, Old High German boron, Middle Dutch boren, German bohren), from PIE root *bher- (2) "to cut with a sharp point, pierce, bore" (cf. Greek pharao "I plow," Latin forare "to bore, pierce," Old Church Slavonic barjo "to strike, fight," Albanian brime "hole").

The meaning "diameter of a tube" is first recorded 1570s; hence figurative slang full bore (1936) "at maximum speed," from notion of unchoked carburetor on an engine. Sense of "be tiresome or dull" first attested 1768, a vogue word c.1780-81 according to Grose; possibly a figurative extension of "to move forward slowly and persistently," as a boring tool does.

past tense of bear (v.).

n.

thing which causes ennui or annoyance, 1778; of persons by 1812; from bore (v.1).

The secret of being a bore is to tell everything. [Voltaire, "Sept Discours en Vers sur l'Homme," 1738]

Online Etymology Dictionary, © 2010 Douglas Harper
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bore through in Science
bore
  (bôr)   
  1. In fluid mechanics, a jump in the level of moving water, generally propagating in the opposite direction to the current. Strong ocean tides can cause bores to propagate up rivers.

    1. The white, shallow portion of a wave after it breaks. The bore carries ocean water onto the beach.

    2. A tidal wave caused by the surge of a flood tide upstream in a narrowing estuary or by colliding tidal currents.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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