| 单词 | phototroph |
| 释义 | phototroph in British English (ˈfəʊtəʊˌtrɒf) noun an organism that obtains energy from sunlight for the synthesis of organic compounds Derived forms phototrophic (ˌfəʊtəʊˈtrɒfɪk) adjective phototroph in American English (ˈfoutəˌtrɑf, -ˌtrouf) noun Biology any organism that uses light as its principal source of energy Derived forms phototrophic adjective Word origin [1940–45; photo- + -troph]This word is first recorded in the period 1940–45. Other words that entered Englishat around the same time include: Rh factor, airlift, blockbuster, debrief, set-asidephoto- is a combining form meaning “light” (photobiology); also used to represent “photographic” or “photograph” in the formation of compoundwords. Other words that use the affix photo- include: photogen, photogenic, photomultiplier, photorealism, photosensitivity; -troph is a combining form used in the formation of nouns with the general sense “nutrientmatter” (embryotroph), “an organism with given nutritional requirements” (heterotroph); also forming concrete nouns corresponding to abstract nouns ending in -trophy or adjectives ending in -tropic. Other words that use the affix -troph include: hemotroph, heterotrophExamples of 'phototroph' in a sentence |
| 随便看 |
|
英语词典包含298861条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。