|1.||deviation from what is normal, expected, or usual|
|2.||departure from truth, morality, etc|
|3.||a lapse in control of one's mental faculties|
|4.||optics spherical aberration See also chromatic aberration a defect in a lens or mirror that causes the formation of either a distorted image or one with coloured fringes|
|5.||astronomy the apparent displacement of a celestial body due to the finite speed of light and the motion of the observer with the earth|
aberration ab·er·ra·tion (āb'ə-rā'shən)
A departure from the normal or typical.
A psychological disorder or abnormal alteration in one's mental state.
A defect of focus, such as blurring in an image.
An imperfect image caused by a physical defect in an optical element, as in a lens.
A deviation in the normal genetic structure or number of chromosomes in an organism.
aberration [%PREMIUM_LINK%] (āb'ə-rā'shən) Pronunciation Key |