| 释义 |
summate, v.|ˈsʌmeɪt|
[f. med.L. summāt-, summāre to sum.]
1. trans. To add together or combine; spec. in Physiol., with reference to nerve impulses, etc. Also intr. and fig.
1900Nature LXII. 290/2 The excitatory electrical change in the whole organ..causes merely a change in one direction, which is summated in proportion to the number of discs in the pile. 1922Jrnl. Optical Soc. Amer. VI. 550 When quite differently weighted, in terms of the relative powers of the three elementary processes to generate brilliance, the three chromatic curves should summate to yield the visibility curve. 1932P. Bloomfield Imaginary Worlds xiv. 246 Happiness does not summate. The happiness of ten million individuals is not a millionfold the happiness of ten. 1935Discovery May 140/1 In order to see more clearly in a bad light, we instinctively keep on blinking and peering so that the recurring slight pressures by the eyelids are, when summated, capable of evoking phosphenes. 1935Winton & Bayliss Human Physiol. (ed. 2) ix. 349 Responses which are partially or completely super-imposed are said to summate. 1951G. Humphrey Thinking i. 17 The implication that stimuli may be linearly summated is accepted by representative objective psychologists. 1957Encycl. Brit. III. 866/1 Similar documents may be assembled and summated before they are journalized. 1962W. Nowottny Lang. Poets Use iv. 78 The particulars which inhabit these schemes, though extraordinarily difficult to summate, permit themselves to be assimilated to a common ideogram of decline. 1970Jrnl. Gen. Psychol. LXXXIII. 144 According to the second principle, two responses having the same form summate. 1971A. C. Guyton Basic Human Physiol. vi. 63/2 Not only can discharges from separate presynaptic terminals summate with each other, but rapidly successive discharges from the same presynaptic terminal can also summate.
2. trans. To summarize.
1955G. Gorer Exploring Eng. Character xiv. 269 If the 25 per cent of the population who say that they are influenced either regularly or occasionally by the advice of horoscopes are summated, one finds that there are very few categories where there is a variation of more than 3 per cent from the national norm. 1976J. Bayley Uses of Division i. i. 24 It remained for Proust to summate the retrospective social novel.
Hence suˈmmated ppl. a.
1938J. Newton Introd. Metallurgy xiii. 406 In slag calculations use is sometimes made of ‘summated’ percentages by means of which oxides of similar chemical properties are grouped together and treated as a single constituent. |