ray (Q1147832)
line with one endpoint
Language:
other details
aliases axis
 half-line
description line with one endpoint

External Links
(P227) 4158789-3
(P508) 30975
(P646) /m/0nbdvbq
(P1296) 0141739
(P2812) Ray
(P8855) 102-04-04
(P9997) ray
(P12385) semirecta