† cohobationn.
Old Chemistry.
The operation of cohobating (see cohobate v.); redistillation.
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the world > matter > chemistry > chemical reactions or processes > [noun] > chemical reactions or processes (named) > distillation
distillation1393
stilling1477
rectificationa1500
distilling1527
circulating1545
circulation1587
cohobation1605
abstraction1617
redistillation1639
cohobating1654
distillery1677
1605 T. Tymme tr. J. Du Chesne Pract. Chymicall & Hermeticall Physicke i. xiii. 57 If..the oylely liquor of his proper sulphur..be drawen forth with sundry cohobations and extillations.
1612 B. Jonson Alchemist ii. v. sig. F
1658 G. Starkey Natures Explic. 241 The sweet oyl of mercury..by cohobation with the fire of Hell (that is, the Alcahest) becomes volatile.
1755 W. Lewis in Philos. Trans. 1754 (Royal Soc.) 48 651 The cohobation was repeated four times, the distill'd liquor proving paler and paler every time.
1783 Philos. Trans. (Royal Soc.) 73 28 In all these cases..more of the metal will be taken up by distillation and cohobation.
This entry has not yet been fully updated (first published 1891; most recently modified version published online June 2022).
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