| 单词 | decaffeinate |
| 释义 | decaffeinate in British English (dɪˈkæfɪˌneɪt) verb (transitive) to remove all or part of the caffeine from (coffee, tea, etc) decaffeinate in American English (diˈkæfəˌneit, -ˈkæfiə-) transitive verbWord forms: -ated, -ating to extract caffeine from to decaffeinate coffee Derived forms decaffeination noun decaffeinator noun Word origin [1925–30; de- + caffein + -ate1]This word is first recorded in the period 1925–30. Other words that entered Englishat around the same time include: Nazi, chain reaction, decibel, payload, reflex camera-ate is a suffix occurring in loanwords from Latin, its English distribution parallelingthat of Latin. The form originated as a suffix added to a- stem verbs to form adjectives (separate). The resulting form could also be used independently as a noun (advocate) and came to be used as a stem on which a verb could be formed (separate; advocate; agitate). In English the use as a verbal suffix has been extended to stems of non-Latin origin(calibrate; acierate) |
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