Medical Definition of homotropic
: characterized by enzyme activity in which the substrate binds to the enzyme at two different sites of which one is the normal reactive site and the other is an allosteric site homotropic enzymes homotropic interaction — compare heterotropic
Love words? Need even more definitions?Merriam-Webster unabridged
Words at Play
Ask the Editors
Name That Thing MegaQuiz: Vol. 2
Test your visual vocabulary!
Favorite New Words in the Dictionary
Level up your vocabulary with these newly added w...
How Strong Is Your Vocabulary?
Test your vocabulary with our 10-question quiz!
Spelling Bee Quiz
Can you outdo past winners of the National Spelli...