Dictionary of Difficult Words - aberration

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n. deviation; momentary mental lapse; Astronomy, apparent deviation from heavenly body's true position due to movement of observer with the earth. chromatic aberration, focusing of light of different colours at different points resulting in a blurred image. spherical aberration, focusing at different points of rays passing through different parts of spherical lens.

Blue stands for the night sky and for water as a source of life. White represents peace. Red indicates the life-force. Green recalls nature and fertility. Effective date: 11 October 1991. >>