noun
hydroxide
heye-DROKS-yd
noun
1
A negatively charged ion made of one oxygen and one hydrogen atom (OH⁻), or any compound containing it.
"Sodium hydroxide is the main ingredient in many drain cleaners."
How to Use Hydroxide
Learner’s notesIn plain EnglishA chemical group made of oxygen and hydrogen, found in many bases and cleaning products.
Common pairings
sodium hydroxide
potassium hydroxide
Word Forms
hydroxides plural
Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “hydroxide”
A quick quiz — meaning, synonyms & usage
→
Fill the Gap
Can you complete this real example?
Sodium _____ is the main ingredient in many drain cleaners.
Etymology
Built from "hydro-" (water/hydrogen) plus "oxide."