'Unlike signs' definitions:

Definition of 'Unlike signs'

From: GCIDE
  • Unlike \Un*like"\, a.
  • 1. Not like; dissimilar; diverse; having no resemblance; as, the cases are unlike. [1913 Webster]
  • 2. Not likely; improbable; unlikely. [Obsoles.] [1913 Webster]
  • Unlike quantities (Math.), quantities expressed by letters which are different or of different powers, as a, b, c, a^2, a^3, x^n, and the like.
  • Unlike signs (Math.), the signs plus (+) and minus (-). [1913 Webster]