annual aberration

annual aberration (plural annual aberrations)

1. (astronomy) A deviation due to the Earth's orbital motion.

• Lesley Brown, editor-in-chief, William R. Trumble and Angus Stevenson, editors (2002), “annual aberration”, in The Shorter Oxford English Dictionary on Historical Principles, 5th edition, Oxford, New York, N.Y.: Oxford University Press, →ISBN, page 7.