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| a gadget; dingus; thingumbob. |
| a stew of meat, vegetables, potatoes, etc. |
| alpha rhythm or alpha wave | |
| —n | |
| physiol See also brain wave the normal bursts of electrical activity from the cerebral cortex of a drowsy or inactive person, occurring at a frequency of 8 to 12 hertz and detectable with an electroencephalograph | |
| alpha wave or alpha wave | |
| —n | |
| Main Entry: | alpha rhythm |
| Part of Speech: | n |
| Definition: | See alpha wave |
alpha rhythm n.
A pattern of smooth, regular electrical oscillations, as recorded by an electroencephalograph, that occur in the human brain when a person is awake and relaxed. Also called alpha wave.