“raphis”的英文意思_释义_用法

单词

raphis

释义

‖ raphis Bot.|ˈreɪfɪs|
Also rha-. Pl. raphides |ˈræfɪdiːz|.
[Gr. ῥαϕίς, ῥαϕιδ- needle.]
One of the minute crystals, usually of acicular form, found in the cells of many plants.
The name was suggested by De Candolle (1826). The sing. is rarely used, and raphides may sometimes be intended as pl. of raphide.
1842Brande Dict. Sci., Raphides.1854J. Hogg Microsc. ii. i. (1861) 233 Among the cell-contents of some plants are beautiful crystals called Raphides.1876Harley Mat. Med. (ed. 6) 393 Many spiral vessels may be detected in these scales by the microscope, as well as numerous acicular raphides.
Comb.1870Bentley Man. Bot. (ed. 2) 33 The orders to which it applies should be named raphis-bearing or raphidiferous.

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