hygienist
n.
1844, "an expert on cleanliness," from hygiene + -ist. Earlier was hygeist (1716). Dental sense is recorded by 1913.
词汇 | hygienist |
词根词缀 | Online Etymology Dictionary hygienist n. 1844, "an expert on cleanliness," from hygiene + -ist. Earlier was hygeist (1716). Dental sense is recorded by 1913. |
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