ell: Σφάλμα σφαιρικής εκτροπής

Information
has URI	http://lexvo.org/id/term/ell/%CE%A3%CF%86%CE%AC%CE%BB%CE%BC%CE%B1%20%CF%83%CF%86%CE%B1%CE%B9%CF%81%CE%B9%CE%BA%CE%AE%CF%82%20%CE%B5%CE%BA%CF%84%CF%81%CE%BF%CF%80%CE%AE%CF%82

Meaning
means	(noun) an optical aberration resulting in a distorted image spherical aberration