lanthanum

Definitions

General Science

Electronics

  • A silvery-white, malleable, and ductile chemical element whose atomic number is 57. It is chemically active, when in powder form it ignites spontaneously, and has over 30 known isotopes, of which one is stable. Its applications include its use in oxide form to improve the properties of optical glass, as a phosphor, in superconductors, in semiconductors, and in electronic devices such as vacuum tubes. Its chemical symbol is La.
  • chemical symbolLa

Food

  • In the style of, in the manner of, with
  • Hot and peppery

Information & Library Science

  • abbreviation in Internet addresses, the top-level domain for Laos

Travel

  • phrase a French phrase meaning ‘in the style of’
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