___ acid (staining agent used in electron microscopy)
Crossword clue · 1 known answers · 1 appearances · Last seen in the New York Times crossword on September 20, 2025
Latest answer · Verified
OSMIC
All answers for this clue
Most recent first · match on letter countAnswerLettersLast puzzleLast seen
About this clue
The clue “___ acid (staining agent used in electron microscopy)” has appeared 1 times in our database with 1 different answers, so count the squares in your grid and check the crossings before you commit. Most recently it ran in the New York Times crossword on September 20, 2025, where the answer was OSMIC.