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calcium

[U] 不可算名詞

This term evokes a sense of structural rigidity and biological necessity. It is most frequently encountered in health and nutrition contexts, where it is linked to the hardness of bones and the strength of teeth, carrying a positive connotation of stability and growth. In industrial or chemical settings, the word shifts toward a technical description of reactivity and mineral composition. It is rarely used in casual conversation unless discussing dietary supplements or medical conditions like osteoporosis.

Used exclusively as a mass noun to describe the chemical element or the mineral substance found in food and bones.

意味

名詞

A silver-white alkaline earth metal of the calcium group, essential for living organisms.

"The lab technician analyzed the pure calcium sample."

Last Updated: May 27, 2026Report an Error