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单词 swarmer
释义

swarmern.1

/ˈswɔːmə/
Etymology: < swarm v.1 + -er suffix1.
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

Etymology: < German schwärmer or Dutch zwermer, < schwärmen, zwermen to rove, stray.
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).
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