Os
Os noun - A hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known.
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Synonyms for Os
Rat-trap
Cite this Source
Rat-trap and Os. (2016). Retrieved 2026, July 31, from https://thesaurus.plus/related/os/rat-trap
Os & Rat-trap. N.p., 2016. Web. 31 Jul. 2026. <https://thesaurus.plus/related/os/rat-trap>.
Rat-trap or Os. 2016. Accessed July 31, 2026. https://thesaurus.plus/related/os/rat-trap.