Metallic compound containing oxygen and hydrogen (9)
I believe the answer is:
hydroxide
(Other definitions for hydroxide that I've seen before include "Hired doxy to make compound of hydrogen and oxygen" , "Chemical compound, OH" .)
I've seen this clue in The Telegraph.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free.
Check out my app
or
learn more
about the Crossword Genius project.