Platinum — Plat i*num, n. [NL., fr. Sp. platina, from plata silver, LL. plata a thin plate of metal. See {Plate}, and cf. {Platina}.] (Chem.) A metallic element of atomic number 78, one of the noble metals, classed with silver and gold as a precious metal,… … The Collaborative International Dictionary of English
Platinum black — Platinum Plat i*num, n. [NL., fr. Sp. platina, from plata silver, LL. plata a thin plate of metal. See {Plate}, and cf. {Platina}.] (Chem.) A metallic element of atomic number 78, one of the noble metals, classed with silver and gold as a… … The Collaborative International Dictionary of English
Platinum lamp — Platinum Plat i*num, n. [NL., fr. Sp. platina, from plata silver, LL. plata a thin plate of metal. See {Plate}, and cf. {Platina}.] (Chem.) A metallic element of atomic number 78, one of the noble metals, classed with silver and gold as a… … The Collaborative International Dictionary of English
Platinum metals — Platinum Plat i*num, n. [NL., fr. Sp. platina, from plata silver, LL. plata a thin plate of metal. See {Plate}, and cf. {Platina}.] (Chem.) A metallic element of atomic number 78, one of the noble metals, classed with silver and gold as a… … The Collaborative International Dictionary of English
Platinum sponge — Platinum Plat i*num, n. [NL., fr. Sp. platina, from plata silver, LL. plata a thin plate of metal. See {Plate}, and cf. {Platina}.] (Chem.) A metallic element of atomic number 78, one of the noble metals, classed with silver and gold as a… … The Collaborative International Dictionary of English
foil — An extremely thin pliable sheet of metal. * * * foil fȯil n very thin sheet metal (as of gold or platinum) used esp. in filling teeth * * * (foil) metal in the form of an extremely thin, pliable sheet … Medical dictionary
Calorescence — (from the Lat. calor , heat ) is a term invented by John Tyndall to describe an optical phenomenon, the essential feature of which is the conversion of rays belonging to the dark infrared portion of the spectrum into the more refrangible visible… … Wikipedia
catalysis — catalytic /kat l it ik/, adj., n. catalytical, adj. catalytically, adv. /keuh tal euh sis/, n., pl. catalyses / seez /. 1. Chem. the causing or accelerating of a chemical change by the addition of a catalyst. 2. an action between two or more… … Universalium
Keum-boo — (also Kum Boo or Kum bu Korean attached gold ) is an ancient Korean gilding technique used to apply thin sheets of gold to silver. Traditionally, this technique is accomplished by first depleting the surface of sterling silver to bring up a thin… … Wikipedia
Johann Philipp Reis — (January 7, 1834 ndash; January 14, 1874) was a self taught German scientist and inventor who in 1860 1 constructed an early telephone, today called the Reis telephone. He first publicly demonstrated it on October 26 1861.Early life and… … Wikipedia