selen-
pref.(前缀)
pref.(前缀)
- Variant of seleno-
seleno-的变体
selen-
prefix
a variant spelling of seleno-
seleno- or (before a vowel) selen-
combining form
denoting the moon
⇒
selenology
Origin
from Greek selēnē moonselen-
1
variant of seleno- before a vowel.
selen-
combining form
or seleno-
selenium
selenology
combining form
or seleni-
seleniferous
I |
or seleno-
ETYMOLOGY Latin selen-, from Greek selēn-, from selēnē — more at selenium
: moonselenium
selenology
II |
or seleni-
ETYMOLOGY Swedish, from New Latin selenium
: seleniumseleniferous
1835 C. U. Shepard Treat. Min. (ed. 2) II. 177Selen-cuprite.
Ibid. ,Selenpalladite.
1849 J. Nicol Man. Min. 506Selen-sulphur.
1857 Dana Man. Min. (1862) 327Another seleniferous ore, from the Hartz, called selensilver.
1882 . [ see hieratite]
1890 E. S. Dana & H. L. Wells in Amer. Jrnl. Sci. Ser. iii. XL. 79We propose to call it Selen-tellurium.
1944 C. Palache et al. Dana'sSyst. Min. (ed. 7) I. 142Old specimens of reddish brown selensulfur from Vulcano gave n 2·544–2.675 indicating 83–90·5 per cent Se; but this high Se content lacks confirmation. [ sc. refractive index]
1848 Brande Chem. (ed. 6) II. iii. 173With seleniuretted hydrogen aldehyde-ammonia yields Selenaldine.
1853 Watts tr. Gmelin'sHand-bk. Chem. VIII. 356Selenide of Ethyl or Selenethyl.
1858 Mayne Expos. Lex. ,Selenhydrate, term by Berzelius for the combinations of hydric selenide with the metallic seleniurets which contain the radicals of alkalis and alkaline earths.
1868 Watts Dict. Chem. V. 218Selen⁓hydric Acid.
ORIGIN: from selen(ium .
selen-
I.combining form
or seleno- also seleni-
Etymology: Latin selen-, from Greek selēn-, from selēnē moon; akin to Greek selas light, brightness, Latin sol sun — more at solar
: moon : crescent-shaped
< selenomorphic >
< Selenicereus >
< Selenarctos >
II.combining form
or seleni- or seleno-
Etymology: Swedish, from New Latin selenium
1. : selenium
< selenic >
< seleniferous >
< selenobismuthite >
2. usually seleno- : containing bivalent selenium usually in place of oxygen
< selenocyanic >
— compare thi-
I.
or seleno- also seleni-
< selenomorphic >
< Selenicereus >
< Selenarctos >
II.
or seleni- or seleno-
1.
< selenic >
< seleniferous >
< selenobismuthite >
2. usually seleno-
< selenocyanic >
— compare thi-
selen- 1
Prefix
- moon
- Moon
Etymology
From Ancient Greek σελήνη (selḗnē, “moon”).
Derived terms
Related terms
See also
selen- 2
Prefix
- productive in mineralogy; no longer productive in chemistry (containing) selenium
Etymology
From German Selen (“selenium”); as above, also ultimately from Ancient Greek σελήνη (selḗnē, “moon”).
Synonyms
Derived terms
Derived terms in mineralogy
Derived terms in chemistry
Derived terms in other fields