to pierce (a solid substance) with some rotary cutting instrument.
to make (a hole) by drilling with such an instrument.
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.
Machinery. to enlarge (a hole) to a precise diameter with a cutting tool within the hole, by rotating either the tool or the work.
to force (an opening), as through a crowd, by persistent forward thrusting (usually followed by through or into); to force or make (a passage).
to make a hole in a solid substance with a rotary cutting instrument.
Machinery. to enlarge a hole to a precise diameter.
(of a substance) to admit of being bored:
Certain types of steel do not bore well.
a hole made or enlarged by boring.
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.
to produce (a hole) in (a material) by use of a drill, auger, or other cutting tool
to increase the diameter of (a hole), as by an internal turning operation on a lathe or similar machine
(transitive) to produce (a hole in the ground, tunnel, mine shaft, etc) by digging, drilling, cutting, etc
(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
a hole or tunnel in the ground, esp one drilled in search of minerals, oil, etc
a circular hole in a material produced by drilling, turning, or drawing
the diameter of such a hole
the hollow part of a tube or cylinder, esp of a gun barrel
the diameter of such a hollow part; calibre
(Austral) an artesian well
(transitive) to tire or make weary by being dull, repetitious, or uninteresting
a dull, repetitious, or uninteresting person, activity, or state
a high steep-fronted wave moving up a narrow estuary, caused by the tide
the past tense of bear1
The secret of being a bore is to tell everything. [Voltaire, “Sept Discours en Vers sur l’Homme,” 1738]
a white, water-soluble powder or crystals, hydrated sodium borate, Na 2 B 4 O 7 ⋅10H 2 O, occurring naturally or obtained from naturally occurring borates; tincal: used as a flux, cleansing agent, in the manufacture of glass, porcelain, and enamel, and in tanning. cheap, showy, poorly made merchandise, especially cheaply built furniture of an […]
boric. Historical Examples A System of Instruction in the Practical Use of the Blowpipe Anonymous The Eugenic Marriage, Volume IV. (of IV.) Grant Hague Manual of Surgery Volume Second: Extremities–Head–Neck. Sixth Edition. Alexander Miles Cooley’s Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades…, Sixth Edition, Volume I Arnold Cooley […]
a strongly pyroelectric mineral, a borate and chloride of magnesium, Mg 6 Cl 2 B 14 O 26 , occurring in white or colorless cubic crystals or fine-grained masses. Historical Examples Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2 Various Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 3 Various Encyclopaedia Britannica, 11th Edition, […]
a plant, Borago officinalis, native to southern Europe, having hairy leaves and stems, used medicinally and in salads. Compare borage family. any of various allied or similar plants. Historical Examples Cakes & Ale Edward Spencer Cakes & Ale Edward Spencer Cups and their Customs George Edwin Roberts Appletons’ Popular Science Monthly, August 1899 Various Flowers […]