Orbiting Solar Observatory: one of a series of scientific satellites, launched between 1962 and 1975, that studied the sun at ultraviolet, x-ray, and gamma-ray wavelengths.
THINK YOU’VE GOT A HANDLE ON THIS US STATE NICKNAME QUIZ?
Question 1 of 8
Mississippi’s nickname comes from the magnificent trees that grow there. What is it?
Words nearby OSO
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for OSO
With bodies recovered from the landslide but no names released, the town of Oso hopes for the best and anticipates the worst.
He looks so much like a young bear that we call him Oso, which is Spanish for bear.