| 释义 |
extracted, ppl. a.|ɛkˈstræktɪd|
[f. extract v. + -ed1.]
Derived, drawn out, in senses of the vb.; spec. in Biol., derived by controlled breeding, selected.
1694W. Salmon tr. Bate's Dispens. 237/2 An extracted and digested Tincture of Mars. 1903Proc. Zool. Soc. Lond. II. 76 It is not stated that the ‘extracted’ albinos were tested, but there is little doubt that..they would have produced nothing but albinos. 1909W. Bateson Mendel's Princ. Heredity v. 92 It was possible and indeed more usual to find whites exclusively produced by the cross of two extracted F2 whites. 1910L. Doncaster Heredity vii. 86 The ‘extracted’ pure individuals in the F2 generation do not differ recognisably from the original parents in the characters considered. Ibid. 136 When two heterozygous individuals are mated together, their homozygous offspring are spoken of as ‘extracted’ homozygotes.
b. extracted honey: honey separated from the uncrushed comb by centrifugal force or by gravity; so extracted comb.
1881T. W. Cowan Brit. Bee-Keeper's Guide Bk. 88 Pure extracted honey will usually granulate if kept at a low temperature. 1897Bartrum & McClelland Bees in Bar-Frame Hive 11 Extract at a distance..from the hives, in a room into which the bees cannot penetrate; return extracted comb at night. 1905P. N. Hasluck Beehives & Bee Keepers' Appliances 116 A number of hives are worked for extracted honey. |