TROPISM


Meaning of TROPISM in English

[ 'trəʊpɪz(ə)m , 'trɒp- ]

■ noun Biology the turning of all or part of an organism in response to an external stimulus.

Origin

C19: from Gk tropos 'turning' + -ism .

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.