Help Wordnik hunt for a million missing words by backing our Kickstarter!
Sorry, no definitions found.
Sorry, no etymologies found.
Sorry, no example sentences found.
Log in or sign up to add your own related words.
Log in or sign up to get involved in the conversation. It's quick and easy.
deinonychus commented on the word extinction cross
Sounds like something for a crusade, but is "an optical phenomenon that is seen when trying to extinguish a laser beam or non-planar white light using crossed polarizers". (Wikipedia)
June 6, 2012
Wordnik is fiscally sponsored by Planetwork NGO, Inc,a California 501(c) (3) non-profit educational organization, EIN #94-3366969.