单词 | swarmer |
释义 | swarmern.1 1. One of a number that swarm; one of a swarm (as of insects); in Biology a swarm-spore; in Bacteriology, a swarmer cell. ΘΚΠ the world > animals > animals collectively > [noun] > swarm > one of a swarm swarmer1844 the world > life > biology > substance > cell > types of cells > [noun] > motile or amoebic cell myxamoeba1875 immigrant1885 microcyst1887 amœbocyte1892 wandering cells1896 streptocyte1897 swarmer cell1950 swarmer1964 1844 C. Dickens Martin Chuzzlewit lii. 598 ‘Oh, vermin!’ said Mr. Pecksniff. ‘Oh, bloodsuckers!..vermin and swarmers.’ 1872 J. G. Murphy Crit. Comm. Leviticus xi. 20 Winged creepers or swarmers are so called from their minuteness and their multitude. 1898 H. M. Ward in Ann. Bot. 12 301 The obvious suspicion arose that an intruding swarmer had got into my hanging-drop. 1900 Nature 21 June 191/1 The beetles are late swarmers, appearing chiefly in July. 1964 Bacteriol. Rev. XXVIII. 242/2 If the swarmer is to become a recognizable caulobacter cell, it must develop a stalk after cell division. 2. A beehive adapted for swarming, or from which a swarm is sent forth. ΘΚΠ the world > food and drink > farming > animal husbandry > bee-keeping > [noun] > beehive > types of winter stalla1300 remover1623 swarmer1855 bar-hive1884 1855 Poultry Chron. 3 300/1 I have found hives in which the combs ranged in the way most common, from front to back, indifferently swarmers or non-swarmers. 1883 in Standard 15 Feb. 5/2 ‘Artificial swarmers’..have displaced the old fashioned ‘skep’. 3. swarmer cell n. Bacteriology a flagellated motile cell produced by the stalked cell of certain species of stalked bacteria. ΘΚΠ the world > life > biology > substance > cell > types of cells > [noun] > motile or amoebic cell myxamoeba1875 immigrant1885 microcyst1887 amœbocyte1892 wandering cells1896 streptocyte1897 swarmer cell1950 swarmer1964 1950 Biochimica et Biophysica Acta 5 41 A study was made of the flagellation of swarmer cells of Proteus vulgaris. 1976 Jrnl. Bacteriol. 128 456/1 The stalked cell [of Caulobacter crescentus] divides repeatedly to produce new swarmer cells, whereas the swarmer cell, which cannot divide, loses motility and develops into a stalked cell. This entry has not yet been fully updated (first published 1918; most recently modified version published online September 2020). † swarmern.2 Fireworks. Obsolete. A cracker or serpent. ΘΚΠ the world > matter > light > firework > [noun] > cracker or squib squib1534 crackera1592 breaker1630 serpent1634 fizgig1647 firecracker1650 petard1668 reporter1688 riprap1709 swarmer1740 mine1769 India cracker1780 throwdown1877 whizz-bang1881 flip-flap1885 snake1891 thunderflash1943 banger1959 1740 G. Smith tr. Laboratory (rev. ed.) App. p. xxxiii Cases for Swarmers or Rockets. 1765 R. Jones New Treat. Artific. Fireworks iv. 149 Rockets which go under the denomination of swarmers, are those from two ounces downwards. This entry has not yet been fully updated (first published 1918; most recently modified version published online March 2021). < n.11844n.21740 |
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