11 letters · 12 points in Scrabble
noun an enzyme of nitrogen-fixing microorganisms that catalyzes the conversion of nitrogen to ammonia
originEtymology tree English nitrogen Ancient Greek δῐῐ̈́στημῐ (dĭĭ̈́stēmĭ) Ancient Greek δῐᾰ́στᾰσῐς (dĭắstăsĭs) English diastase English -ase English nitrogenase From nitrogen + -ase.
Etymology from Wiktionary, CC BY-SA 3.0