coccus
n.
1763 as an insect genus (including the cochineal bug); 1883 as a type of bacterium, from Greek kokkos "grain, seed, berry" (see cocco-).
| 词汇 | coccus | 
| 词根词缀 | Online Etymology Dictionary coccus n. 1763 as an insect genus (including the cochineal bug); 1883 as a type of bacterium, from Greek kokkos "grain, seed, berry" (see cocco-). | 
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