Definition of "chem" [chem]

• An abbreviation of chemist, chemistry, chemical. See chemist, 4. (noun)

The Century Dictionary (Public Domain)

• "Before this period, methane hydrate was thought of as an unusual and unnatural substance that only occured in chem labs and gas pipelines."
• "We did this in chem class in HS, but without the globe over top."
• "(There have been books by peo­ple like Gilles Fau­con­nier and Mark Turner that go deeper into the brain chem­istry ofit.)"