Usually, brain waves. Medicine/Medical. electrical potentials or impulses given off by brain tissue.
Compare alpha rhythm, beta rhythm, delta rhythm.
Informal. a sudden idea or inspiration; brainstorm.
Boon, The Mind of the Race, The Wild Asses of the Devil, and The Last Trump; Herbert George Wells
Somehow Good William de Morgan
The Rough Road William John Locke
When Ghost Meets Ghost William Frend De Morgan
The Girl on the Boat Pelham Grenville Wodehouse
Mrs. Bindle Hebert Jenkins
Punch, or the London Charivari, Vol. 158, March 17, 1920 Various
My Man Jeeves P. G. Wodehouse
The Twins of Suffering Creek Ridgwell Cullum
any of the fluctuations of electrical potential in the brain as represented on an electroencephalogram. They vary in frequency from 1 to 30 hertz See also alpha rhythm, beta rhythm, delta rhythm
work or effort consisting principally or largely of mental activity, thought, imagination, etc., as opposed to physical or manual work. the effort of thought, reasoning, planning, or the like; ordered or directed thinking: Solving problems is a form of brainwork. Contemporary Examples 13 Classic Helen Gurley Brown Quotes Jesse Ellison August 12, 2012 Historical Examples […]
a microscopic, parasitic roundworm that infests the brain of large hoofed animals, as deer.
brain-burned Mentally impaired from drug-taking Unable to efficiently function mentally because of tiredness: after a day of this, brain-fried