ALL meanings of coronograph
co·ro·no·graph
C c - noun coronograph an instrument for observing and photographing the sun's corona, consisting of a telescope fitted with lenses, filters, and diaphragms that simulate an eclipse. 1
- noun coronograph (astronomy) A telescope, fitted with an attachment that blocks out direct rays from the sun, used to study and photograph the corona of the sun. 0
- noun coronograph (astronomy) The attachment used in such a telescope. 0