spongy platinum — or platinum sponge noun Platinum in a finely divided state • • • Main Entry: ↑sponge … Useful english dictionary
Spongy — Spon gy (sp[u^]n j[y^]), a. 1. Soft, and full of cavities; of an open, loose, pliable texture; as, a spongy excrescence; spongy earth; spongy cake; spongy bones. [1913 Webster] 2. Wet; drenched; soaked and soft, like sponge; rainy. Spongy April.… … The Collaborative International Dictionary of English
Spongy lead — Spongy Spon gy (sp[u^]n j[y^]), a. 1. Soft, and full of cavities; of an open, loose, pliable texture; as, a spongy excrescence; spongy earth; spongy cake; spongy bones. [1913 Webster] 2. Wet; drenched; soaked and soft, like sponge; rainy. Spongy… … The Collaborative International Dictionary of English
platinum — A metallic element, atomic no. 78, atomic wt. 195.08, used for making small parts for chemical apparatus because of its resistance to acids; in powdered form (p. black), it is an important catalyst in hydrogenation. Some of its salts have been… … Medical dictionary
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 * * * spongy platinum or platinum sponge … Useful english dictionary
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
