| 释义 |
recipiangle|rɪˈsɪpɪæŋg(ə)l|
[a. F. récipiangle, f. stem of L. recipĕre: see receive and angle.]
An instrument formerly used (chiefly in France) for measuring and laying off angles, esp. in fortification. (See first quot.)
The description in Chambers is based on the article in Trevoux Dict. Univ. (1721).
1727–41Chambers Cycl. s.v., The recipiangle..is usually very simple, in form of a square or rather a bevel; consisting of two arms or branches rivetted together and yet moveable like a sector on the centre or rivet. 1802James Milit. Dict. 1875Knight Dict. Mech. 1900/1. 1939 Nature 22 Apr. 673/2 The seventy objects which comprise Mr. Court's most recent benefaction include an Italian recipiangle of about 1600. This is an instrument used for measuring angles in surveying, and it is also marked with lines and scales which can be used for making calculations. |