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单词 vent-hole
释义

vent-holen.

Brit. /ˈvɛnthəʊl/, U.S. /ˈvɛntˌhoʊl/
Forms: Also venthole, vent hole.
Etymology: < vent n.2 + hole n.
1. A hole or opening for the admission or passage of air, light, etc.
ΘΚΠ
the world > space > relative position > condition of being open or not closed > an opening or aperture > [noun] > communicating with outside or air > for the admission of light or air
vent-hole1577
sidelight1779
1577 B. Googe tr. C. Heresbach Foure Bks. Husbandry ii. f. 69 Afterward stoppe the vent holes that the Mole hath in euery place.
1733 J. Tull Horse-hoing Husbandry xiv. 85 A large Basket drawn up the middle of each [rick of sainfoin], to leave a Vent-Hole there.
1757 tr. J. G. Keyssler Trav. II. 434 Two large vent-holes for light and air are made through the roof of this grotto.
1763 J. Mills New Syst. Pract. Husbandry III. 123 It was covered with good oak planks,..leaving only some vent~holes, with trap doors, or covers, fitted very exactly to them.
1856 E. K. Kane Arctic Explor. II. 113 Two huts and four families, but for these vent-holes entirely buried in the snow.
2.
a. A hole or opening in a furnace, etc., for escape of smoke and gases or the admission of fresh air.
ΘΚΠ
the world > space > relative position > condition of being open or not closed > an opening or aperture > [noun] > communicating with outside or air
vomica1572
vent-hole1612
vent1617
spiracle1620
spirament1654
air gap1842
porthole1858
1612 S. Sturtevant Metallica xv. 111 The vpper vent-holes lets out the smoake.
1664 J. Evelyn Sylva 101 You must make Vent-holes..through the stuff which covers your heap to the very wood.
1678 R. Russel tr. Jabir ibn Haiyan Wks. Geber ii. i. iv. vi. 96 A Furnace with large Ventholes gives both a clear and strong Fire.
1715 J. T. Desaguliers tr. N. Gauger Fires Improv'd 16 The Passage X of the Bellows or Vent-Hole.
1715 J. T. Desaguliers tr. N. Gauger Fires Improv'd 16 The Air will be made so thin over the Vent-Hole, as to press less than that which is coming from without.
1862 M. Hopkins Hawaii 25 The suffocating gases which escaped from the red hot ventholes of these furnaces.
b. Any hole by which an enclosed space communicates with, or discharges into, the outside air.
ΚΠ
1740 G. Smith tr. Laboratory (ed. 2) App. p. lxvi Water-balls..have a hollow globe turn'd somewhat oblong, with a vent-hole.
1750 W. Warburton Julian ii. vi A bare and hollow rock; which would here and there afford vent-holes for such fumes as generated within to transpire.
1800 Philos. Trans. (Royal Soc.) 90 234 The case..was charged through its vent-hole, and introduced into a twelve-pounder carronade.
1802 Encycl. Brit. Suppl. II. 748/1 Vent-holes may be bored in convenient parts of the deck..from whence the state of the corn may be known by the effluvia which ascend.
c. In figurative uses.
ΚΠ
1711 E. Ward Vulgus Britannicus (ed. 3) iv. 124 The Ventholes of their Passion.
1908 Parish Councils 22 The council serves as a vent-hole for complaints and suspicions.
3. spec.
a. An air-hole in a cask; a vent.
ΘΚΠ
society > occupation and work > equipment > receptacle or container > vessel > barrel or cask > [noun] > air-hole
vent-hole1669
1669 J. Worlidge Systema Agriculturæ 120 Turn it up into the Vessel..to ferment, allowing but a small Vent-hole, lest the spirits waste.
1707 J. Mortimer Whole Art Husbandry 573 Have near the Bung-hole a little Vent-hole stopp'd with a Spile.
1725 R. Bradley Chomel's Dictionaire Œconomique at Brewing Opening and stopping the Vent~hole on every Change of Weather.
in combination.1875 E. H. Knight Amer. Mech. Dict. III. 2703/2 Vent-faucet, an instrument which may act as a vent-hole borer.
b. (See quots.)
ΘΚΠ
society > occupation and work > equipment > conveyor > [noun] > conduit, channel, or tube > pipe > aperture or opening
ajutage1686
adjustage1725
vent-hole1728
fauceta1774
spout hole1800
society > occupation and work > equipment > equipment for working with other materials > [noun] > with explosives > for making hole through charge > hole made by
vent-hole1883
1728 E. Chambers Cycl. Vent, Vent-Hole, or Spiracle, a little Aperture, left in the Tubes or Pipes of Fountains, to facilitate the Wind's escape.
1883 W. S. Gresley Gloss. Terms Coal Mining 269 Vent or Vent Hole, a small passage made with a needle through the tamping, which is used for admitting a squib, to enable the charge to be ignited.
This entry has not yet been fully updated (first published 1916; most recently modified version published online June 2022).
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