MACROCYCLIC
Meaning of MACROCYCLIC in English
/mak'roh suy"klik, -sik"lik/ , adj. Chem.
having a ring structure consisting of more than 12 atoms.
[ 1945-50; MACRO- + CYCLIC ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012