请输入您要查询的词汇:

 

词汇 selen-
词根词缀
AHD
Collins
Dictionary.com
MWCD
OED
SOED
Webster
Wiktionary

selen-
pref.(前缀)
  1. 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 moon

selen-

1
variant of seleno- before a vowel.
selen-
I
combining form
or seleno-
 ETYMOLOGY  Latin selen-, from Greek selēn-, from selēnē — more at selenium
: moon
    selenium
    selenology

II
combining form
or seleni-
 ETYMOLOGY  Swedish, from New Latin selenium
: selenium
    seleniferous
selen-, prefix|ˈsɛlən|1. Min. [After G. selen selenium.] In names of certain minerals containing or formerly supposed to contain selenium, as ˌselenˈcuprite = berzelianite. ˌselenˈpalladite, -paˈlladium = allopalladium. ˌselenˈsilver = naumannite. ˌselenˈsulphur, a native variety of elemental sulphur containing a small proportion of selenium. ˌselenteˈllurium, a native compound of selenium and tellurium.1835C. U. Shepard Treat. Min. (ed. 2) II. 177 Selen-cuprite.Ibid., Selenpalladite.1849J. Nicol Man. Min. 506 Selen-sulphur.1857Dana Man. Min. (1862) 327 Another seleniferous ore, from the Hartz, called selensilver.1882[see hieratite].1890E. S. Dana & H. L. Wells in Amer. Jrnl. Sci. Ser. iii. XL. 79 We propose to call it Selen-tellurium.1944C. Palache et al. Dana's Syst. Min. (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.2. Chem. [For seleno-, selenio-.] Formerly used (before a vowel or h) in names of certain compounds containing selenium. seleˈnaldine [aldehyde) + -ine5], a basic substance produced by the action of hydrogen selenide on ammonium aldehydate. selenethyl, ethyl selenide. selenhydric a. = hydroselenic (acid): see hydro-. selenhydrate (see quot. 1858).1848Brande Chem. (ed. 6) II. iii. 173 With seleniuretted hydrogen aldehyde-ammonia yields Selenaldine.1853Watts tr. Gmelin's Hand-bk. Chem. VIII. 356 Selenide of Ethyl or Selenethyl.1858Mayne 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.1868Watts Dict. Chem. V. 218 Selen⁓hydric Acid.
selen- /ˈsɛlən/ combining form.
ORIGIN: from selen(ium.
Mineralogy & Chemistry. Forming names of minerals and other substances containing (or formerly supposed to contain) selenium.
 DERIVATIVE selenˈsulphur noun a native variety of elemental sulphur containing a small proportion of selenium M19.
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-

selen- 1

  • (Received Pronunciation) enPR: sĕlēn—, sĭlēn—, IPA: /sɛliːn—/, /sɪliːn—/
  • Prefix

    1. moon
    2. Moon

    Etymology

    From Ancient Greek σελήνη (selḗnē, “moon”).

    Derived terms

  • See Category:English words prefixed with selen-
  • selenarch (science fiction) →
  • selenarchy
  • selenian (rare)
  • selenic (rare) →
  • geoselenic
  • selenigenous (rare)
  • selenocentric
  • selenodesy (astronomy) →
  • selenodetic
  • selenograph
  • selenography
  • selenographic
  • selenographer
  • selenolatry
  • selenology
  • selenological →
  • selenologically
  • selenologic
  • selenologist
  • selenoscope (rare)
  • selenotopography (rare) →
  • selenotopographic
  • selenotopographical
  • Related terms

  • panselene (obsolete, rare)
  • paraselene (meteorology) →
  • paraselenic
  • proselenic (obsolete, rare)
  • Selene
  • Selenite
  • selenitic (rare)
  • selenite (mineralogy and chemistry) →
  • baroselenite (mineralogy, obsolete)
  • selenitic
  • selenitical (obsolete)
  • selenitiferous
  • selenitish (rare)
  • selenitous (obsolete, rare)
  • selenites (obsolete)
  • selenium (chemistry) →
  • metallic selenium
  • selenium cell
  • selenium eye
  • for non-phrasal derivations, see below
  • selenodont
  • tetraselenodont
  • selenography
  • selenographer
  • selenographic
  • selenographical
  • selenographist
  • selenotropic (botany) →
  • selenotropism
  • selenotropy
  • See also

  • areo-
  • geo-
  • selen- 2

  • (Received Pronunciation) enPR: sĕlən—, IPA: /sɛlən—/
  • Prefix

    1. 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

  • (chemistry): selenio- (productive)
  • (chemistry): seleno-
  • Derived terms

    Derived terms in mineralogy
  • selencuprite (obsolete)
  • selenpalladite (obsolete)
  • selenpalladium (obsolete)
  • selensilver (obsolete)
  • selensulphur
  • selentellurium
  • Derived terms in chemistry
  • selenaldine
  • selenethyl
  • selenhydric
  • selenhydrate
  • Derived terms in other fields
  • selenosis
  • Related terms

  • selenate (chemistry)
  • selenic (chemistry) →
  • hydroselenic →
  • hydroselenate
  • hydroselenic acid
  • hydroselenuret
  • selenic acid
  • selenide (chemistry)
  • chlorine selenide
  • diselenide
  • hydrogen selenide
  • monoselenide
  • pentaselenide
  • triselenide
  • seleniet (chemistry, obsolete) →
  • selenietted (obsolete, rare)
  • seleniferous
  • selenio- (chemistry) →
  • seleniocyanate
  • seleniocyanic
  • seleniocyanide
  • seleniocyanogen
  • seleniocyanuret
  • selenious (chemistry) →
  • selenious acid
  • selenite (chemistry) →
  • marine selenite (chemistry, obsolete, rare)
  • seleniuret (chemistry; now rare) →
  • protoseleniuret (obsolete)
  • seleniuretted →
  • seleniuretted hydrogen
  • selenyl (chemistry)
  • References

  • selen-, prefix” listed in the Oxford English Dictionary [2nd Ed.; 1989]
  • 随便看

     

    英语词根词缀词典收录了54763条英语词根词缀词条,基本涵盖了全部常用英语词汇的词根、词缀及词根记忆法解析,是记忆英语词汇的必备工具。

     

    Copyright © 2000-2024 Newdu.com.com All Rights Reserved
    更新时间:2025/1/10 0:12:49