isosterism

[ahy-sos-tuh-riz-uh m]

noun

Chemistry. the quality or state of being isosteric.
Pharmacology. the theory that isosteric compounds have identical or similar pharmacological action.

Origin of isosterism

First recorded in 1860–65; isostere + -ism

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018