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brain wave
1 ENTRIES FOUND:
brain wave
(noun)
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brain wave
noun
plural
brain waves
brain wave
noun
plural
brain waves
Learner's definition of BRAIN WAVE
[
count
]
1
:
a pattern or cycle of electrical activity in the brain
—
usually plural
Do your
brain waves
change when you are sleeping?
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2
chiefly British
:
1
brainstorm
1
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