angle of elevation
(physics) A unit of energy equal to one billionth of an electronvolt, symbol neV
plural of black rat
(snooker, pool) To pot the cue ball accidentally after hitting the object ball.
The angle formed by the line of sight and the horizontal plane for an object above the horizontal.
塔の頂上に対する仰角を測定することで、測量士はその高さを計算した。
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