| 单词 |
descensory |
| 释义 |
▪ I. † deˈscensory, n. Old Chem.
Also 6 dec-, disc-.
[ad. OF. descensoire, -oir, med.L. type dēscensōrium, f. dēscensōrius adj.: see next.
(Cf. ‘l'huyle du mesme bois destillé par ce que les alchemistes appellent descensoir’ of 1555 in Godefroy.)]
A vessel or retort used for distillation ‘by descent’: see descent 1 d.
c1386Chaucer Can. Yeom. Prol. & T. 239 Sondry vessels maad of erþe and glas Oure vrinals and oure descensories. 1584R. Scot Discov. Witchcr. xiv. i. 295 Also their lamps their urinalles, discensories, sublimatories, alembicks, viols, croslets, cucurbits, stillatories, and their fornace of calcination. 1594Plat Chem. Concl. 31 Some commend the distillation..that is performed by a descensorie. 1678R. R[ussell] Geber ii. i. iv. xii. 112 A chymical Descensory.
▪ II. † deˈscensory, a. Old Chem.
[ad. L. dēscensōri-us, f. dēscens-, ppl. stem of dēscendĕre to descend: see -ory.]
Relating to, or of the nature of, distillation by descent.
1678R. R[ussell] Geber v. iv. 275 The Descensory Furnace is made as before described. 1684tr. Bonet's Merc. Compit. v. 146 The specifick properties of Liquors perish in descensory distillation. |
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