You know what it looks like… but what is it called?
TAKE THE QUIZ“dark-line”
We have one entry that includes the term dark-line.
dark-line spectrum
noun: a line spectrum produced by the passage of white light through an ionized gas or vapor
-
- The business’s new computer system proved not to be a panacea.
You can make only 12 words. Pick the best ones!
PLAYLove words? Need even more definitions?
Merriam-Webster unabridged