| 单词 | gnotobiosis |
| 释义 | gnotobiosis in British English (ˌnəʊtəʊbaɪˈəʊsɪs) noun the state of being gnotobiotic gnotobiosis in American English (ˌnoutoubaiˈousɪs) noun an environmental condition in which germfree animals have been inoculated with strains of known microorganisms Word origin [1945–50; ‹ Gk gnōt(ós) known + -o- + -biosis]This word is first recorded in the period 1945–50. Other words that entered Englishat around the same time include: beeper, fail-safe, on-line, poison pill, synchronized swimming-o- is the typical ending of the first element of compounds of Greek origin (as -i- is, in compounds of Latin origin), used regularly in forming new compounds with elementsof Greek origin and often used in English as a connective irrespective of etymology(Franco-Italian; geography; seriocomic; speedometer); -biosis is a combining form meaning “mode of life,” used in the formation of compound words.Other words that use the affix -biosis include: aerobiosis, parabiosis |
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