AUXIN


Meaning of AUXIN in English

/ ˈɔːksɪn; NAmE / noun

[ U ] a hormone found in plants

••

WORD ORIGIN

1930s: coined in German from Greek auxein to increase + -in .

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.