| 单词 | radioactivate |
| 释义 | radioactivate in British English (ˌreɪdɪəʊˈæktɪˌveɪt) verb (transitive) to make radioactive Derived forms radioactivation (ˌradioˌactiˈvation) noun radioactivate in American English (ˌreidiouˈæktəˌveit) transitive verbWord forms: -vated, -vating Physics to make (a substance) radioactive Word origin [1900–05; radioactive + -ate1]This word is first recorded in the period 1900–05. Other words that entered Englishat around the same time include: Young Turk, clone, desensitize, elder statesman, hormone-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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