| 单词 | amphithecium |
| 释义 | amphithecium in British English (ˌæmfɪˈθiːsɪəm) nounWord forms: plural -cia (-sɪə) the outer layer of cells of the sporophyte of mosses and liverworts that develops into the outer parts of the spore-bearing capsule Word origin C19: from New Latin, from amphi- + Greek thēkion a little case, from thēkē caseamphithecium in American English (ˌæmfɪˈθiʃiəm; ˌæmfɪˈθisiəm) nounWord forms: plural ˌamphiˈthecia (ˌæmfɪˈθiʃiə; ˌæmfɪˈθisiə) Botany the outer layer of cells in the spore case of a bryophyte Word origin ModL < amphi- + Gr thēkion, dim. of thēkē, a case: see theca |
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