Half-ray
Half´-ray`
(~rā`)| n. | 1. | (Geom.) A straight line considered as drawn from a center to an indefinite distance in one direction, the complete ray being the whole line drawn to an indefinite distance in both directions. |
| 单词 | half-ray | |||
| 释义 | Half-rayHalf´-ray`(~rā`)
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