Examples are automatically compiled from online sources to
show current usage.Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
When the atoms and molecules collided, the relatively weak He-H dative bond broke, and a much stronger covalent bond between two hydrogens formed to create H2+.—Ryan C. Fortenberry, Scientific American, 1 Feb. 2020
Word History
Etymology
from the donation of electrons by one of the atoms
Share