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selensulphur
selensulphur n. 
/ˌsɛln̩ˈsʌlfə/,
Brit. /ˌsɛlənˈsʌlfə/
, /ˌsɛlənˈsʌlfə//ˌsɛln̩ˈsʌlfə/U.S. /ˌsɛlənˈsəlfər/
a native variety of elemental sulphur containing a small proportion of selenium./ˌsɛlənˈsəlfər/ΚΠ
1849 J. Nicol Man. Mineral. 506 Selen-sulphur.
1944 C. Palache et al. Dana's Syst. Mineral. (ed. 7) I. 142 Old specimens of reddish brown selensulfur from Vulcano gave n [sc. refractive index] 2·544–2.675 indicating 83–90·5 per cent Se; but this high Se content lacks confirmation.
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as lemmas
- over-pot
- over-potent
- over-potting
- over-powerful
- over-pray
- over-precise
- over-preciseness
- over-precision
- over-preface
- over-pregnant
- over-preoccupied
- over-prepare
- over-pressing
- over-presumptuous
- over-prick
- over-prizer
- over-prolific
- over-prolix
- over-promise
- over-prompt
- over-prone
- over-proneness
- over-proportioned
- over-protracted
- over-prove