Assertion: cathode ray tube's phosphor | /r/Synonym | yttrium oxide
Facets:
Source sentences:
text: For example, the phosphor known as yttrium oxide gives off a red glow when struck by electrons, and yttrium silicate gives off a purplish-blue glow.
text: For example, the phosphor known as yttrium oxide gives off a red glow when struck by electrons, and yttrium silicate gives off a purplish blue glow.
text: For example, the phosphor known as yttrium oxide gives off a red glow when struck by electrons, and yttrium silicate gives off a purplish blue glow.