— constitutively , adv.
/kon"sti tooh'tiv, -tyooh'-/ , adj.
1. constituent; making a thing what it is; essential.
2. having power to establish or enact.
3. Physics , Chem. pertaining to a molecular property determined primarily by the arrangement of atoms in the molecule rather than by their nature or number.
[ 1585-95; CONSTITUTE + -IVE ]