umbra

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  • noun

Synonyms for umbra

comparative darkness that results from the blocking of light rays

Words related to umbra

a region of complete shadow resulting from total obstruction of light

Related Words

References in periodicals archive ?
In it, the antumbra cast by the moon covered almost the whole of the Peloponnesus but none of the cities of the northern Aegean coast.
21) An annular eclipse casts an antumbra rather than an umbra; see Figure 3.