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Search "umbra" in: umbraOne entry found. Entry Word: umbra Function: noun Meaning: 1 a time or place of little or no light <strange noises were coming from the umbra beyond our campfire> — see dark 1 2 partial darkness due to the obstruction of light rays <during a solar eclipse observers located within the umbra experience a complete blocking of the sun by the moon> — see shade 1
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