cause an eclipse of (a celestial body) by intervention; "The Sun eclipses the moon today"; "Planets and stars often are occulted by other celestial bodies"
cause an eclipse of; of celestial bodies; "The moon eclipsed the sun"
difficult to penetrate; incomprehensible to one of ordinary understanding or knowledge; "the professor's lectures were so abstruse that students tended to avoid them"; "a deep metaphysical theory"; "some recondite problem in historiography"
the size of something as given by the distance around it
the length of the closed curve of a circle
the boundary line encompassing an area or object; "he had walked the full circumference of his land"; "a danger to all races over the whole circumference of the globe"