hydrogen monoxide
Dihydrogen monoxide, but not hydrogen peroxide or the hydroxyl radical)Dihydrogen monoxide (water (H₂O), but not hydrogen peroxide (H₂O₂) or the hydroxyl radical (-OH))
Meaning
1 senses(informal, uncountable)Dihydrogen monoxide (water (H₂O), but not hydrogen peroxide (H₂O₂) or the hydroxyl radical (-OH))
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable