platinum sponge

platinum sponge
noun
: metallic platinum in a gray porous spongy form that is obtained by reducing ammonium chloroplatinate, that occludes large volumes of oxygen, hydrogen, and other gases, and that is used as a catalyst

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spongy platinum or platinum sponge noun
Platinum in a finely divided state
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Main Entry:sponge

Useful english dictionary. 2012.

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  • Platinum sponge — Sponge Sponge (sp[u^]nj), n. [OF. esponge, F. [ e]ponge, L. spongia, Gr. spoggia , spo ggos. Cf. {Fungus}, {Spunk}.] [Formerly written also {spunge}.] 1. (Zo[ o]l.) Any one of numerous species of Spongi[ae], or Porifera. See Illust. and Note… …   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

  • Platinum black — (Pt black) is a fine powder of platinum with good catalytic properties. The name of platinum black is due to its black color. Platinum black is widely used as a thin film covering solid platinum metal, forming platinum electrodes for applications …   Wikipedia

  • Sponge — (sp[u^]nj), n. [OF. esponge, F. [ e]ponge, L. spongia, Gr. spoggia , spo ggos. Cf. {Fungus}, {Spunk}.] [Formerly written also {spunge}.] 1. (Zo[ o]l.) Any one of numerous species of Spongi[ae], or Porifera. See Illust. and Note under {Spongi[ae]} …   The Collaborative International Dictionary of English

  • Sponge cake — Sponge Sponge (sp[u^]nj), n. [OF. esponge, F. [ e]ponge, L. spongia, Gr. spoggia , spo ggos. Cf. {Fungus}, {Spunk}.] [Formerly written also {spunge}.] 1. (Zo[ o]l.) Any one of numerous species of Spongi[ae], or Porifera. See Illust. and Note… …   The Collaborative International Dictionary of English

  • Sponge lead — Sponge Sponge (sp[u^]nj), n. [OF. esponge, F. [ e]ponge, L. spongia, Gr. spoggia , spo ggos. Cf. {Fungus}, {Spunk}.] [Formerly written also {spunge}.] 1. (Zo[ o]l.) Any one of numerous species of Spongi[ae], or Porifera. See Illust. and Note… …   The Collaborative International Dictionary of English

  • Sponge tree — Sponge Sponge (sp[u^]nj), n. [OF. esponge, F. [ e]ponge, L. spongia, Gr. spoggia , spo ggos. Cf. {Fungus}, {Spunk}.] [Formerly written also {spunge}.] 1. (Zo[ o]l.) Any one of numerous species of Spongi[ae], or Porifera. See Illust. and Note… …   The Collaborative International Dictionary of English

  • 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

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