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Synonyms

lab

1 American  
[lab] / læb /

noun

  1. laboratory.


Lab 2 American  
[lab] / læb /

noun

  1. Informal. Labrador retriever.


LAB 3 American  
Or lab

abbreviation

Slang.
  1. life’s a bitch (used to acknowledge, often dismissively, a difficult or unfair circumstance).


lab. 4 American  

abbreviation

  1. labor.

  2. laboratory.

  3. laborer.


Lab. 5 American  

abbreviation

  1. Laborite.

  2. Labrador.


Lab. 1 British  

abbreviation

  1. politics Labour

  2. Labrador

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

lab 2 British  
/ læb /

noun

  1. short for laboratory

  2. short for Labrador retriever

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

lab. 3 British  

abbreviation

  1. laboratory

  2. labour

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of lab1

By shortening

Origin of Lab2

By shortening

Origin of LAB3

From its use in digital communications

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

As the lab technician prepared my vials, I told him, “I’m going to upload my blood work to AI!”

From The Wall Street Journal • Apr. 4, 2026

In the UK, in 2023, more than 50,000 patients had IVF cycles - where eggs are fertilised in a lab and the embryo is then placed in the woman's uterus.

From BBC • Apr. 3, 2026

So the team subjected the capsule to vibrations in the lab to ensure everything would still work after that kind of extreme shaking.

From Los Angeles Times • Mar. 31, 2026

By early 2020, Exxon scientists were concerned about the viability of the program because they were struggling to replicate promising lab results in outdoor ponds where algae was exposed to nature.

From The Wall Street Journal • Mar. 31, 2026

It didn’t hurt that across the lab Charlotte was watching with uncontrolled envy.

From "City Spies" by James Ponti