Plural form of cerium; multiple quantities or forms of the element cerium.
Standard English pluralization of 'cerium' (the singular form), following regular noun rules. Retains the same Latin origin as its singular counterpart.
While we don't typically say 'ceriums' in chemistry (since we measure the element by mass or moles), the plural form might appear in historical texts describing multiple samples or discoveries of cerium from different sources.
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