adv. [f. prec. + -LY2.] In a tangential way; in the manner, position, or direction of a tangent; at a tangent.

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1815.  O. Gregory, Treat. Mechanics (ed. 3), I. I. iv. 86. The power being applied tangentially to the first wheel.

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1839.  Ure, Dict. Arts, 479. The fusees are fixed obliquely and not tangentially to their peripheries.

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1854.  J. Scoffern, in Orr’s Circ. Sc., Chem., 269. A force acting … tangentially to the circle.

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1884.  Bower & Scott, De Bary’s Phaner., 620. They are connected one with another in their longitudinal course by numerous anastomoses both radially and tangentially.

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1903.  19th Cent., July, 82. The rapidly moving fragment flies away tangentially.

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