| 单词 | starry regulus |
| 释义 | > as lemmasstarry regulus starry regulus n. [after post-classical Latin regulus stellatus (1661 or earlier)] now rare and historical a starlike pattern of radially arranged crystals on the surface of solid antimony, formed during slow cooling from the molten state and indicative of its purity; cf. star n.1 11c; (also) a specimen or sample of antimony that exhibits this phenomenon. ΚΠ 1661 R. Boyle Two Ess. Unsuccessfulness Exper. i, in Certain Physiol. Ess. 49 Eminent Chymists..have often failed in their endeavours to make the Starry Regulus of Mars and Antimony. 1727 P. Shaw tr. Dispensatory Royal Coll. Physicians Edinb. 261 If the Regulus of Antimony with Iron, be thus several times fused with Nitre and Tartar, it will at length become the Regulus Antimonii stellatus, or starry Regulus of Antimony. 1800 R. J. Thornton Philos. Med. (ed. 4) V. i. 30 Thus then I have obtained seven ounces three drams of an exceeding pure and beautiful starry regulus, that looked just like silver. 2013 A. Authier Early Days X-ray Crystallogr. xi. 298 In order to understand the star shape of snowflakes, he [sc. Rasmus Bartholin] first refers to the dendritic growth of salts and to the crystallization of starry regulus of antimony by reduction of stibnite in a crucible. < as lemmas |
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