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
Sphenoid bone and os are semantically related. In some cases you can replace phrase "Sphenoid bone" with "Os", this terms are similar.
Sphenoid bone
Sphenoid bone noun - Butterfly-shaped bone at the base of the skull.
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Synonyms for Sphenoid bone
Os and sphenoid bone are semantically related. You can use "Os" instead a noun phrase "Sphenoid bone".
Mutual synonyms
Cite this Source
Sphenoid bone and Os. (2016). Retrieved 2026, July 31, from https://thesaurus.plus/related/os/sphenoid_bone
Os & Sphenoid bone. N.p., 2016. Web. 31 Jul. 2026. <https://thesaurus.plus/related/os/sphenoid_bone>.
Sphenoid bone or Os. 2016. Accessed July 31, 2026. https://thesaurus.plus/related/os/sphenoid_bone.
Google Ngram Viewer shows how "os" and "sphenoid bone" have occurred on timeline