de-emanatev.
/diːˈɛməneɪt/ transitive. To deprive (a radioactive substance) of the power of emitting its characteristic radioactive gas or ‘emanation’.
ΚΠ
1902 Rutherford & Soddy in London, Edinb. & Dublin Philos. Mag. 6th Ser. 4 575 Water-vapour exerts no influence..in de-emanating thoria.
Derivatives
de-ˈemanated adj.
ΚΠ
1902 Rutherford & Soddy in London, Edinb. & Dublin Philos. Mag. 6th Ser. 4 371 If thorium oxide be exposed to a white heat its power of giving an emanation is to a large extent destroyed. Thoria that has been so treated is referred to throughout as ‘de-emanated’.
1904 E. Rutherford Radio-activity 216 The de-emanated thoria was dissolved.
de-emaˈnation n.
ΚΠ
1902 Rutherford & Soddy in Jrnl. Chem. Soc. 81 333 (heading) The de-emanation of thoria.
1904 E. Rutherford Radio-activity 216 Thus de-emanation does not permanently destroy the power of thorium of giving out an emanation.
This entry has not yet been fully updated (first published 1933; most recently modified version published online September 2018).
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