Selenium Definition

sĭ-lēnē-əm
noun
A nonmetallic chemical element with several allotropic forms, used in photoelectric devices because its electrical conductivity varies with the intensity of light: also used in rectifiers, in certain electrostatic copying processes, etc.: symbol, Se; at. no. 34
Webster's New World
Synonyms:
  • atomic number 34
  • se

Origin of Selenium

  • A New Latin word derived by Swedish chemist Berzelius in 1818, from Ancient Greek Σελήνη (selēnē, "moon").

    From Wiktionary

  • Greek selēnē moon (from selas light, brightness) –ium

    From American Heritage Dictionary of the English Language, 5th Edition

Selenium Sentence Examples

  • Owing to the variable illumination of the selenium thus produced, the resistance of the latter, and therefore the intensity of the current sent through the line to the receiving station by the battery, will be altered accordingly.

  • The mineral nearly always contains a small amount of silver, and sometimes antimony, arsenic, copper, gold, selenium, &c. Argentiferous galena is an important source of silver; this metal is present in amounts rarely exceeding %, and often less than o 03% (equivalent to 104 ounces per ton).

  • By means of this " light-relay " the intensity of the light acting at any moment upon the sensitized paper is made proportional to the illumination of the selenium in the transmitter.

  • It combines readily with fluorine, chlorine and bromine, and also with sulphur, selenium, phosphorus, &c.

  • A totally reflecting prism placed inside the glass cylinder projects the light which penetrates the film upon a selenium cell situated at the end of the cylinder.

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Words Starting With

SSESEL

Words Ending With

MUMIUM

Unscrambles

selenium

Words Starting With S and Ending With M

Starts With S & Ends With MStarts With SE & Ends With MStarts With S & Ends With UM

Word Length

8 Letter Words8 Letter Words Starting With S8 Letter Words Ending With M