Dictionary.com

atomic hydrogen

Save This Word!

noun Chemistry.
hydrogen in the form of single atoms, rather than molecules, which makes it extremely reactive.
QUIZ
GOOSES. GEESES. I WANT THIS QUIZ ON PLURAL NOUNS!
Test how much you really know about regular and irregular plural nouns with this quiz.
Question 1 of 9
Which of the following nouns has an irregular plural form?
Also called active hydrogen.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use atomic hydrogen in a sentence

FEEDBACK