From Longman Dictionary of Contemporary Englishlablab /læb/●くろまる●くろまる●くろまるS3 noun [countable] informalTBa laboratorythe school science labExamples from the Corpuslab• It was a funlabproject.• As a storesmanager, Horne finds that the quantity of 1,1, 1 used in labs is small.• The anti-viral drug has also been shown to inhibit the growth of borna virus in labtests.• He was known for facilitating the process whereby tumor markers, or lab tests for tumors, were brought into the marketplace.• This is Graham's lab of effusion.• This is Gram's lab of diffusion.• SunSoft Inc claims to have a multiprocessing version of Solaris 2.0-on-Intel running in the lab.Related topics: GroupingsLabLabPPGthe written abbreviation of Labour, in BritishpoliticsOriginlab1. (1800-1900)laboratory2. (1900-2000)Labrador