Straight line (disambiguation)

A straight line is:

• in math
  • a fundamental object of geometry: an infinitely long straight line, see straight line
  • the generalization of the concept of a straight line: the locally shortest connection between two points is called a geodesic
  • an axiomatically required object in projective geometry
• in medieval law an inheritance to female family members, see straight line (inheritance)
• a punching technique in boxing, see cross (straight with the punching hand) and jab (straight with the leading hand)

just designated:

• Colloquially the present moment, see present
• in math
  • an integer that is divisible by 2, see parity (math)
  • a real function for which f (- x ) =  f ( x ) for all x , see even and odd functions
  • the parity of a permutation, see sign (permutation)

See also:

Wiktionary: Straight  - explanations of meanings, word origins, synonyms, translations

Wiktionary: straight  - explanations of meanings, word origins, synonyms, translations

This is a disambiguation page for differentiating between several terms identified with the same word.