Lewis acid
noun
Lew·is acid ˈlü-əs- 
: a substance that is capable of accepting an unshared pair of electrons from a base to form a covalent bond
Word History
Etymology
Gilbert N. Lewis †1946 American chemist
First Known Use
1944, in the meaning defined above
- noncolorfast
- noncolors
- noncolour
- noncolours
- noncom
- noncombat
- noncombatant
- noncombatants
- noncombative
- allegement
- allegements
- allegers
- alleges
- allegges
- Alleghanyite
- alleghenian
- alleghenians
- alleghenieses
- Allegheny
- Allegheny barberry
- allegheny fringe
- Allegheny Mountains
- Allegheny spurge
- Allegheny vine
- allegiance