Definition of Lewis acid
: a substance that is capable of accepting an unshared pair of electrons from a base to form a covalent bond
Origin of lewis acid
Gilbert North Lewis †1946 American chemist
First Known Use: 1944
Learn More about lewis acid
Britannica.com: Encyclopedia article about "Lewis acid"
Seen and Heard
What made you want to look up Lewis acid? Please tell us where you read or heard it (including the quote, if possible).