† describentadj.n.

Origin: A borrowing from Latin. Etymons: Latin dēscrībent-, dēscrībēns, dēscrībere.

Etymology: < classical Latin dēscrībent-, dēscrībēns, present participle of dēscrībere describe v.

Geometry. Obsolete.

A. adj.

Of a point, line, or other geometric figure: describing a given plane or solid figure when moved along a certain path; tracing out the extent of something through motion. rare.

ΚΠ

1704 J. Harris Lexicon Technicum I. at Dirigent The Line of Motion, along which the Describent Line or Surface is carried in the Genesis of any Plane or Solid Figure.

1705 J. Harris tr. I. G. Pardies Short Plain Elements Geom. (ed. 3) iii. 30 The Describent Line, thus markt out by Points into Unites will describe a Square.

1775 J. Ash New Dict. Eng. Lang. Describent, describing, marking out by its motion.

B. n.

A point, line, or other geometric figure which, when moved along a certain path, describes a given plane or solid figure; = generator n. 2a.

ΚΠ

1704 J. Harris Lexicon Technicum I. at Parallelogram If the Describent be equal to the Dirigent, the Figure will be a square.

1742 R. Long Astron. I. 11 When the describent has moved from its situation AB, and is come into the situation EF, the surface it has passed over or described is the parallelogram ABFE.

1865 H. H. Holloway Mental Geom. 97 The circumference of the base of the cone becoming the arc of the sector, and the slant hight, or describent of the convex surface, the radius of the circle.

This entry has been updated (OED Third Edition, December 2015; most recently modified version published online June 2022).

单词	describent
释义	† describentadj.n. Origin: A borrowing from Latin. Etymons: Latin dēscrībent-, dēscrībēns, dēscrībere. Etymology: < classical Latin dēscrībent-, dēscrībēns, present participle of dēscrībere describe v. Geometry. Obsolete. A. adj. Of a point, line, or other geometric figure: describing a given plane or solid figure when moved along a certain path; tracing out the extent of something through motion. rare. ΚΠ 1704 J. Harris Lexicon Technicum I. at Dirigent The Line of Motion, along which the Describent Line or Surface is carried in the Genesis of any Plane or Solid Figure. 1705 J. Harris tr. I. G. Pardies Short Plain Elements Geom. (ed. 3) iii. 30 The Describent Line, thus markt out by Points into Unites will describe a Square. 1775 J. Ash New Dict. Eng. Lang. Describent, describing, marking out by its motion. B. n. A point, line, or other geometric figure which, when moved along a certain path, describes a given plane or solid figure; = generator n. 2a. ΚΠ 1704 J. Harris Lexicon Technicum I. at Parallelogram If the Describent be equal to the Dirigent, the Figure will be a square. 1742 R. Long Astron. I. 11 When the describent has moved from its situation AB, and is come into the situation EF, the surface it has passed over or described is the parallelogram ABFE. 1865 H. H. Holloway Mental Geom. 97 The circumference of the base of the cone becoming the arc of the sector, and the slant hight, or describent of the convex surface, the radius of the circle. This entry has been updated (OED Third Edition, December 2015; most recently modified version published online June 2022). < adj.n.1704
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