| 释义 |
dehiscent, a.|dɪˈhɪsənt|
[ad. L. dēhiscent-em, pr. pple. of dēhiscĕre to dehisce. So in mod.F.]
Gaping open; spec., in Bot. opening as seed-vessels.
1649Bulwer Pathomyot. ii. ii. 107 The Mouth..is Dehiscent, yet scarce Dehiscent into a Casme. 1845Lindley Sch. Bot. i. (1858) 17 If..[the fruit] splits into pieces when ripe it is called dehiscent. 1853Kane Grinnell Exp. xix. (1856) 145 The period when the dehiscent edges and mountain ravines..have been worn down into rounded hill and gentle valley. 1872H. Macmillan True Vine iv. 162 The fruits of many plants are dehiscent..they open to scatter the seed.
b. Said of the elytra of insects when they do not meet at the apices; also of antennæ divergent at the tips.
1889in Cent. Dict. |