HELIOTROPISM
Meaning of HELIOTROPISM in English
/hee'lee o"treuh piz'euhm, hee'lee euh troh"piz euhm/ , n.
heliotropic tendency or growth.
[ 1850-55; HELIO- + -TROPISM ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012