WordReference Random House Learner's Dictionary of American English © 2026
lab /læb/USA pronunciation
n. [countable]
-lab-, root.
WordReference Random House Unabridged Dictionary of American English © 2026- laboratory:biology lab.
-lab-, root.
- -lab- comes from Latin, where it has the meaning "work.'' This meaning is found in such words as: belabor, collaborate, elaborate, labor, laborious.
lab
(lab),USA pronunciation n.
Lab (lab),USA pronunciation n.
Lab.,
- laboratory.
- by shortening
Lab (lab),USA pronunciation n.
- Dog and Cat Breeds[Informal.]See Labrador retriever.
- by shortening
Lab.,
- Laborite.
- Place NamesLabrador.
- labor.
- laboratory.
- laborer.
'-lab-' also found in these entries (note: many are not synonyms or translations):
lab
- lab.
- laboratory
- astrolabe
- bony labyrinth
- B.S.Lab.Rel.
- currently
- elapse
- labile
- laboratory school
- Labrador Current
- Labrador duck
- Labradorean
- Labrador retriever
- Labrador tea
- labyrinth fish
- labyrinthine
- language laboratory
- lapse
- membranous labyrinth
- minilab
- Nuffield Radio Astronomy Laboratories
- Polabian
- relapse
- salep
- Sealab
- syllable