Meanings
nounWood's glass (uncountable)
- uncountableAn optical filter glass that allows ultraviolet and infrared light to pass through while blocking most visible light.
Origin
Invented in 1903 by American physicist Robert Williams Wood (1868–1955).
Full word history & related roots →Cite this entry
APA
Wood's glass. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Wood's%20glass
MLA
“Wood's glass.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Wood's%20glass. Accessed November 5, 2026.
Chicago
WatkinsX Dictionary, s.v. “Wood's glass,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Wood's%20glass.
Source: Wood's glass on Wiktionary, CC BY-SA 4.0.