10-Letter Words Containing: OPE

• A mixture of two or more substances whose liquid and gaseous forms have the same composition (at a certain pressure); the substances cannot be separated by normal distillation.

• a reference work (often in several volumes) containing articles on various topics (often arranged in alphabetical order) dealing with the entire range of human knowledge or with some particular specialty

• in an improper way

• a flexible medical instrument involving fiber optics that is used to examine internal organs

• a measuring instrument that uses a grid for measuring the altitude, direction, and velocity of movement of clouds

• an acrobat who performs on a rope stretched at some height above the ground

• a measuring instrument for measuring freezing and melting points

• A form of endoscope used to examine the ureter and the bladder.