| 释义 |
▪ I. coarctate, a.|kəʊˈɑːkteɪt|
In 5 coartate.
[ad. L. coarctāt-us (coart-), pa. pple. of coarctāre to coarct.]
Pressed close together, compressed, contracted, confined. In Bot. applied to a compact or dense panicle.
1432–50tr. Higden (Rolls) I. 61 The patente magnitude felethe by more efficacite the strenȝhte of þe moone then a see coartate. 1847Craig, Coarctate, in Botany, pressed together. 1866Treas. Bot., Coarctate, contracted, drawn close together. 1882Syd. Soc. Lex. s.v., The retina is said to be coarctate when, owing to the accumulation of fluid between it and the choroid, it assumes the form of a funnel, extending from the entrance of the optic nerve to the margin, or to the remains of the lens.
b. Entom. Applied to a pupa enclosed in a smooth horny case, which gives no indication of the limbs or form of the insect; the transformation is called coarctate metamorphosis.
1816Kirby & Sp. Entomol. (1843) I. 53 Pupæ which are not excluded from the skin of the larva, but remain concealed under it, and were hence called by Linné coarctate pupæ. 1868Wood Homes without H. xxvi. 512 Said to undergo a ‘coarctate’ metamorphosis. 1870Rolleston Anim. Life 76 The ‘coarctate’ pupa of many Diptera.
▪ II. † coˈarctate, v. Obs.
[f. L. coarctāt-: see prec. and -ate3.]
trans. To press close together, compress, contract, confine closely; = coarct.
Hence coarctated ppl. a. = coarctate a.
1620Venner Via Recta vi. 95 They coaractate the breast. 1655Fuller Ch. Hist. vi. (1845) III. 490 Though coarctated, having the side aisles excluded, it is one of the best private Chappels in England. 1669Boyle Contn. New Exp. ii. (1682) 22 Air is contained in Bread, but it is so closely coarctated therein, that no easie operation can give it a discharge.
b. fig. To confine, restrict, limit.
1624Abp. Abbot Visib. True Ch. 96 It is not to bee taken, that wee coarctate the Church within those Prouinces onely. 1644Bp. Maxwell Prerog. Chr. Kings x. 105 An empty title..coarctated and bounded with limits and conditions. |
单词 coarctation 释义 coarctation|kkten|[ad. L. coar(c)ttin-em ‘drawing or pressing toget......