| 释义 |
‖ spiraculum|spaɪˈrækjʊləm|
Pl. -acula.
[L. spīrāculum, f. spīrāre to breathe.]
1. = spiracle1 2 b.
a1668R. Lassels Voy. Italy (1670) II. 295 There are divers spiracula, or Vents round about it, out of which the thick smoke presseth furiously. a1705Ray Disc. ii. (1713) 13 The enclosed Fire was not of Force sufficient to make its way out, or found not Spiracula to vent itself. 1789E. Darwin Bot. Gard. i. (1791) Notes 12 The volcanos themselves appear to be spiracula or chimneys belonging to great central fires. 1820T. S. Hughes Trav. Sicily I. iv. 115 It contains two principal spiracula, or vents, from whence..huge stones and rocks are precipitated.
2. = spiracle1 2.
a1734North Examen ii. v. §74 (1740) 360 Like a Chymist's Fire,..upon opening the Spiracula of the Furnace..the Flame broke out.
3. Zool. = spiracle1 3 c.
1768G. White Selborne xiv, If some curious gentleman would procure the head of a fallow deer..he would find it furnished with two spiracula, or breathing places, besides the nostrils. 1797Encycl. Brit. (ed. 3) VI. 676/2 All insects..respire through pores..which are termed spiracula. 1816Kirby & Sp. Entomol. (1818) II. 425 The remarkably large spiracula in glow-worms. 1878F. J. Bell Gegenbaur's Comp. Anat. 396 Peripheral nerves pass out from the anterior ganglion... Others pass backwards to the spiracula. |