Cobalt
Cobalt noun - A hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition.
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Synonyms for Cobalt
Sky blue
Mutual synonyms
Both terms in one sentence
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In Voltron, the people from the evil planet (planet Doom in the English translation) are all different cool tones, including almost pure white, sky blue, deep cobalt blues, and even a green or brown earth tone from time to time.
Source: Amazing Technicolor Population
Cite this Source
Sky blue and Cobalt. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/cobalt/sky_blue
Cobalt & Sky blue. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/cobalt/sky_blue>.
Sky blue or Cobalt. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/cobalt/sky_blue.
Google Ngram Viewer shows how "cobalt" and "sky blue" have occurred on timeline