from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A rectifying detector used especially in early radio receivers and consisting of a semiconducting crystal in point contact with a fine metal wire.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a detector consisting of a fine wire in contact with a galena crystal; acts as a rectifier
Sorry, no etymologies found.