CALYPTROGEN
Meaning of CALYPTROGEN in English
/keuh lip"treuh jeuhn/ , n. Bot.
the histogen layer that develops into the root cap.
[ 1880-85; calyptro- (comb. form of CALYPTRA) + -GEN ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012