lact-

combining form
variants: or lacti- or lacto-

Definition of lact-

1 :milk
  • lactoglobulin
2 a :lactic acid
  • lactate
b :lactose
  • lactase

Origin and Etymology of lact-

French & Latin; French, from Latin, from lact-, lac — more at galaxy


Seen and Heard

What made you want to look up lact-? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

pleasing or sweet sound

Get Word of the Day daily email!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!