indirect ophthalmoscope n.
An instrument designed to visualize the interior of the eye, with the instrument at arm’s length from the subject’s eye and the observer viewing an inverted image through a convex lens located between the instrument and the subject’s eye.
noun, U.S. Politics. 1. a primary in which members of a party elect delegates to a party convention that in turn elects the party’s candidates.
noun 1. an argument for a proposition that shows its negation to be incompatible with a previously accepted or established premise. noun 1. (logic, maths) proof of a conclusion by showing its negation to be self-contradictory; reductio ad absurdum Compare direct (sense 17)
- Indirect question
noun 1. a question reported in indirect speech, as in She asked why you came Compare direct question noun a question embedded in a sentence; an inquiry in reported speech, e.g. He asked who I was. Usage Note gram.
- Indirect reacting bilirubin
indirect reacting bilirubin n. Serum bilirubin that has not been conjugated with glucuronic acid in the liver.