Pla*tin"ic (?), a. (Chem.) Of, pertaining to, or containing, platinum;
-- used specifically to designate those compounds in which the element
has a higher valence, as contrasted with the platinous compounds; as,
platinic chloride (PtCl4).
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Plat`i*ni*chlo"ric (?), a. (Chem.) Of, pertaining to, or designating,
an acid consisting of platinic chloride and hydrochloric acid, and
obtained as a brownish red crystalline substance, called
platinichloric, or chloroplatinic, acid.
Plat`i*nif"er*ous (?), a. [Platinum + -ferous.] Yielding platinum; as,
platiniferous sand.
Plat`i*ni*rid"i*um (?), n. (Chem. & Min.) A natural alloy of platinum
and iridium occurring in grayish metallic rounded or cubical grains
with platinum.
Plat"i*nize (?), v. t. [imp. & p. p. Platinized (?); p. pr. & vb. n.
Platinizing (?).] To cover or combine with platinum.
Plat`i*no*chlo"ric (?), a. (Chem.) Pertaining to, derived from, or
designating, an acid consisting of platinous chloride and hydrochloric
acid, called platinochloric, or chloroplatinous, acid.
Plat`i*no*chlo"ride (?), n. (Chem.) A double chloride of platinum and
some other metal or radical; a salt of platinochloric acid.
Plat`i*no*cy*an"ic (?), a. (Chem.) Pertaining to, derived from, or
designating, an acid compound of platinous cyanide and hydrocyanic
acid. It is obtained as a cinnaber-red crystalline substance.
Plat`i*no*cy"a*nide (?), n. (Chem.) A double cyanide of platinum and
some other metal or radical; a salt of platinocyanic acid.
Plat"i*node (?), n. [Platinum + Gr. &?; a way.] (Physics) A cathode.
[R.]
Plat"i*noid (?), a. [Platinum + -oid.] Resembling platinum.
Plat"i*noid, n. (Chem.) An alloy of German silver containing tungsten;
-- used for forming electrical resistance coils and standards.
Plat"i*no*type (?), n. [Platinum + -type.] (Photog.) 1. A permanent
photographic picture or print in platinum black.