Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

lab

play
noun \ˈlab\

Simple Definition of lab

  • : a class period for laboratory work

Source: Merriam-Webster's Learner's Dictionary

Full Definition of lab

Circa 1878

First Known Use of lab

circa 1878

Rhymes with lab


1

Lab

play
noun \ˈlab\

Definition of Lab



1957

First Known Use of lab

1957


2

Lab

abbreviation

Definition of Lab

  1. Labrador



Rhymes with lab



LAB Defined for Kids

lab

play
noun \ˈlab\

Definition of lab for Students




Medical Dictionary

lab

play
noun \ˈlab\

Medical Definition of lab




Learn More about lab


Seen and Heard

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

WORD OF THE DAY

to lessen in amount, effect, or force

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

fox-in-summer-forest

Which of these is a synonym of inchoate?

experimental frightening massive formless
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ