| 单词 | archaebacteria |
| 释义 | archaebacteria /ahr'kee bak tear"ee euh/, n. pl., sing. archaebacterium /-tear"ee euhm/. a group of microorganisms, including the methanogens and certain halophiles and thermoacidophiles, that have RNA sequences, coenzymes, and a cell wall composition that are different from all other organisms: considered to be an ancient form of life that evolved separately from the bacteria and blue-green algae and sometimes classified as a kingdom. Also, archaeobacteria /ahr'kee oh bak tear"ee euh/. [1977; < NL, equiv. to archae-, irreg. for archaeo- ARCHAEO- (perh. an erroneous Latinizing of Gk arche- ARCHE-) + bacteria BACTERIA] |
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