laboratory

 
Pronunciation: /ləˈbɒrəˌt(ə)ri, ˈlab(ə)rəˌt(ə)ri/

noun (plural laboratories)

  • a room or building equipped for scientific experiments, research, or teaching, or for the manufacture of drugs or chemicals: [as modifier]: laboratory tests
  • [as modifier] (of an animal) bred for or used in experiments in laboratories: laboratory rats

Origin:

early 17th century: from medieval Latin laboratorium, from Latin laborare 'to labour'

Spelling help

The ending of laboratory is spelled -ory.