obscuration Hear it!

obscuration Definition

ob·scu·ra·tion (äb′skyo̵̅o̅ rā′s̸hən)

noun

an obscuring or being obscured

Etymology: L obscuratio

obscuration Usage Examples

Converse of object

  • contain: The areas of the sky which contain heavy obscuration usually exhibit clouds of several degrees of opacity.

Adjective modifier

  • central: The calibration unit produces a beam that matches the telescope pupil very nicely except that it contains no central obscuration.

Modifies a noun

  • pattern: The obscuration pattern changes depending on the beam splitter selected.

Noun used with modifier

  • dust: The optical data allows a study of the dust obscuration.