[电] 散屑器

Anticoherer \An`ti*co*her"er\, n. (Wireless Teleg.)
A device, one form of which consists of a scratched deposit
of silver on glass, used in connection with the receiving
apparatus for reading wireless signals. The electric waves
falling on this contrivance increase its resistance several
times. The anticoherer can be used in conjunction with a
telephone.
[Webster 1913 Suppl.]