PHOTOTROPISM
Meaning of PHOTOTROPISM in English
/foh to"treuh piz'euhm, foh'toh troh"piz euhm/ , n. Bot.
phototropic tendency or growth.
[ 1895-1900; PHOTO- + -TROPISM ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012