Associations to the word «Photocathode»

Wiktionary

PHOTOCATHODE, noun. (physics) A cathode that emits electrons when exposed to light

Dictionary definition

PHOTOCATHODE, noun. A cathode that emits electrons when illuminated.

Wise words

Words - so innocent and powerless as they are, as standing in a dictionary, how potent for good and evil they become in the hands of one who knows how to combine them.
Nathaniel Hawthorne