单词 | air-bell |
释义 | air-belln. 1. A vessel for containing air; spec. (a) a diving bell; (b) an open-bottomed bell-shaped glass vessel used with its open end downwards to contain a gas or to protect samples; a bell jar. ΘΚΠ the world > matter > chemistry > equipment or apparatus > [noun] > general vessels > glass > others urinalc1300 recipient1558 matrass1591 tritory1660 balloon1678 proof-glass1765 air-bell1782 transfer-jar1827 ignition tube1874 beaker1877 bell-jar1877 flask1878 steam-bomb1895 Nessler tube1906 oxygen bottle1932 1782 Descr. Royal George 14 Any thing may be done under water... By the return of the air bell orders may be sent up, written with an iron pen on a plate of lead. 1850 R. Browning Christmas-eve xvi. 53 This time He would not bid me enter The exhausted air-bell of the Critic. 1889 G. M. Hopkins Exper. Sci. (1893) xx. 563 A goblet coated with tinfoil..is placed in a vacuum. The induction current is carried to its bottom by the wire passing through the cap of the air bell. 1961 Fowler's Mech. Engineer's Pocket Bk. (ed. 63) 387 It is important that air-bells, properly proportioned to the working pressure, should be arranged over or as close to the delivery valve chamber as possible, in order to absorb the momentum of the water column. 1996 T. J. C. Beebee Ecol. & Conservation Amphibians ii. 26 Traps..are usually set overnight (with an air bell to prevent suffocation) for inspection the following morning. 1999 C. Vetter in S. O'Reilly et al. Testosterone Planet iii. 233 On the way up, he considered the possibilities... Broad thought it possible that he had become hypoglycemic in the air bell, decided not to risk the swim back. 2. A small bubble of air; (Photography) one formed in the developer and appearing as a spot on a plate, film, or paper. ΘΚΠ the world > matter > gas > gas or air in liquid or effervescence > [noun] > a) bubble(s) scuma1250 boilounc1320 bubblea1350 burblec1350 blubberc1440 bell1483 blobc1540 bull1561 bleb1647 blab1656 air bubble1756 air-bell1806 gas bubble1809 sprot1846 mousse1863 1806 A. Duncan Edinb. New Dispensatory (ed. 3) ii. 269 Kino... Large fragments,..colour very dark brown, fracture resinous, appearance homogeneous, with small air bells. 1815 W. Scott Guy Mannering II. 62 The twinkling of a fin, the rising of an air-bell. 1889 Internat. Ann. Anthonys Photogr. Bull. 143 Carbon Printing in Winter... The difficulty I experienced in avoiding air bells. 1945 T. H. Savory Spiders Brit. Isles (ed. 2) 53 As winter approaches the [water] spider hibernates. Either it closes the mouth of its air-bell or it finds an empty shell..and fills it with air. 1962 Gloss. Terms Glass Industry (B.S.I.) 38 Air bell, a bubble of irregular shape formed..in the manufacture of optical glass. 2004 G. Saxby Pract. Hologr. (ed. 3) i. v. 62 (sidenote) ‘Air bell’ is the term used for a bubble adhering to the emulsion in the developing solution, as distinct from a bubble in air. 3. Caving. An air-filled chamber in an otherwise water-filled cave system. ΚΠ 1874 Proc. Royal Geogr. Soc. 19 301 I visited the much-talked-of cave... It had the appearance of being a crater, or it suggested that an air-bell had made its way out in the process of cooling, and left a hollow space in the lava.] 1992 Ottawa Citizen 21 Nov. a9 The limestone labyrinth contains a myriad of water-filled passages linking a series of air-bells. 2006 D. Price Welsh Sump Index (ed. 3) 1 The passage breaks surface in a substantial airbell (easily missed). This entry has been updated (OED Third Edition, June 2008; most recently modified version published online December 2021). < |
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