platinum : Idioms & Phrases


Platinum black

  • noun a fine black powder of platinum; used as a catalyst in chemical reactions
WordNet
  • (Chem.), a soft, dull black powder, consisting of finely divided metallic platinum obtained by reduction and precipitation from its solutions. It absorbs oxygen to a high degree, and is employed as an oxidizer.
Webster 1913

platinum blond

  • noun a blond whose hair is a pale silvery (often artificially colored) blond
    platinum blond.
WordNet

platinum blonde

  • noun a blond whose hair is a pale silvery (often artificially colored) blond
    platinum blond.
WordNet

Platinum lamp

  • (Elec.), a kind of incandescent lamp of which the luminous medium is platinum. See under Incandescent.
Webster 1913

Platinum metals

  • (Chem.), the group of metallic elements which in their chemical and physical properties resemble platinum. These consist of the light platinum group, viz., rhodium, ruthenium, and palladium, whose specific gravities are about 12; and the heavy platinum group, viz., osmium, iridium, and platinum, whose specific gravities are over 21.
Webster 1913

Platinum sponge

  • (Chem.), metallic platinum in a gray, porous, spongy form, obtained by reducing the double chloride of platinum and ammonium. It absorbs oxygen, hydrogen, and certain other gases, to a high degree, and is employed as an agent in oxidizing.
Webster 1913

platinum thermometer

  • noun thermometer that measures temperature by changes in the resistance of a spiral of platinum wire
    resistance thermometer.
WordNet

platinum-blonde

  • adjective satellite of hair color; whitish
    towheaded; ash-blonde.
WordNet

Spongy platinum

  • . See under Platinum.
Webster 1913