(n.) One of a system of diverging lines passing through a point, and regarded as extending indefinitely in both directions. See Half-ray.
RAY (11)
Meaning of RAY (11) in English
Webster's English dictionary. Английский словарь Webster. 2012
(n.) One of a system of diverging lines passing through a point, and regarded as extending indefinitely in both directions. See Half-ray.
Webster's English dictionary. Английский словарь Webster. 2012