AUXIN


Meaning of AUXIN in English

transcription, транскрипция: [ ˈȯk-sən ]

noun

Etymology: International Scientific Vocabulary, from Greek auxein to increase — more at eke

Date: 1934

1. : any of various usually acidic organic substances that promote cell elongation in plant shoots and usually regulate other growth processes (as root initiation): as

a. : indoleacetic acid

b. : any of various synthetic substances (as 2,4-D) resembling indoleacetic acid in activity and used especially in research and agriculture

2. : plant hormone

• aux·in·ic ȯk-ˈsi-nik adjective

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.