You know what it looks like… but what is it called?
TAKE THE QUIZ“darkline”
We have one entry that includes the term darkline.
dark-line spectrum
noun: a line spectrum produced by the passage of white light through an ionized gas or vapor
-
- Which of these items is named for a deadly weapon?
You can make only 12 words. Pick the best ones!
PLAYLove words? Need even more definitions?
Merriam-Webster unabridged