Crosswords Solver

Answer: ketenes
Answer	Crossword Clue
ketenes	KETENE, a toxic gas, also ETHONONE
ketenes	colorless, poisonous gas, C2H2O, irritating to the lungs, prepared from acetone or acetic acid by pyrolysis: used chiefly in the manufacture of certain commercial chemicals, as acetic anhydride and aspirin

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.

Answer: ketenes