Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

quartz–iodine lamp

noun

Definition of quartz–iodine lamp

  1. :  a lightbulb consisting of a quartz bulb and a tungsten filament with the bulb containing iodine which reacts with the vaporized tungsten to prevent excessive blackening of the bulb



Circa 1964

First Known Use of quartz–iodine lamp

circa 1964


Seen and Heard

What made you want to look up quartz–iodine lamp? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a division or portion of a pool or whole

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1926873504

Which of the following best describes an easily irritated person?

gregarious tetchy flashy superficial
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ