| 释义 |
ˈsubˌfamily
[sub- 7 b.]
1. a. Nat. Hist. A primary subdivision of a family.
1833Penny Cycl. I. 19/1 He denominates these subfamilies, cyprinoïdes, siluroïdes, salmonoïdes, clupeoïdes, and lucioïdes respectively. 1868Rep. U.S. Comm. Agric. (1869) 87 The sub-family Melolonthidæ feed exclusively on vegetable matter. 1870Rolleston Anim. Life 26 The congeneric subfamilies, under either great family of the Rasores and Columbidae respectively.
b. A subdivision of a human family, spec. one living within a primary family group (see quot. 1964).
1964Census of Population 1960 (U.S. Dept. Commerce) I. i. p. lviii/2, A subfamily is a married couple with or without own children, or one parent with one or more own children under 18 years old, living in a housing unit and related to the head of the household or his wife. 1970S. L. Barraclough in I. L. Horowitz Masses in Lat. Amer. iv. 129 Some such units have incomes close to those of sub-family producers.
2. transf., esp. in Linguistics.
1856W. D. Whitney in Jrnl. Amer. Oriental Soc. V. 195 The various sub-families and even closer kindred dialects had deviated too widely from their original and from one another. 1972R. J. Wilson Introd. Graph Theory viii. 119 We call a transversal of a subfamily of S a partial transversal of S. 1978Language LIV. 181 The Southern sub-family merged i with ï and u with ŭ. |