WordReference Random House Unabridged Dictionary of American English © 2026
addi′tion reac′tion, [Chem.]
- Chemistrya reaction in which part of a compound is added to one end of a double or triple bond, while the rest adds to the other end, converting it, respectively, to a single or double bond.
'addition reaction' also found in these entries (note: many are not synonyms or translations):