strictionn.

/ˈstrɪkʃən/

Etymology: < Latin strictiōn-em, noun of action < stringĕre to draw tight, strain.

1. The action of straining. rare.

ΘΚΠ

the world > matter > physics > mechanics > force > [noun] > tension

strain1602

tensure1626

tension1685

striction1889

1889 Eng. Mechanic 27 Dec. 355/2 There is..a kind of elongation by striction, which in the case of a direct pull, is produced with a constant load applied at a rate accelerated up to the point of rupture.

2. Geometry. In a skew surface, curve or line of striction: see quots.

ΘΚΠ

the world > relative properties > number > geometry > curve > [noun] > with regard to distance

focal length1682

focal distance1705

power of a point1872

curve or line of striction1875

1875 P. Frost Solid Geom. (ed. 2) I. 297 The curve which is the limit of the polygon formed by joining a, b, c, d,..at which the imagined membranes would have the greatest density, is called the curve of greatest density; it is also called the line of striction.

1889 A. Cayley Coll. Math. Papers I. 234 The curve pqr..is said to be the minimum distance curve (or curve of striction).

1892 A. Cayley Coll. Math. Papers XIII. 233 Supposing the distances PQ₁, P₁Q₂, P₂Q₃, &c. to be all of them infinitesimal, we have a skew surface containing upon it a curve P₁P₂P₃, &c., which is the line of striction, viz, this is the locus of the point on a generating line which is the nearest point to the consecutive generating line.

This entry has not yet been fully updated (first published 1919; most recently modified version published online June 2021).

单词	striction
释义	strictionn. /ˈstrɪkʃən/ Etymology: < Latin strictiōn-em, noun of action < stringĕre to draw tight, strain. 1. The action of straining. rare. ΘΚΠ the world > matter > physics > mechanics > force > [noun] > tension strain1602 tensure1626 tension1685 striction1889 1889 Eng. Mechanic 27 Dec. 355/2 There is..a kind of elongation by striction, which in the case of a direct pull, is produced with a constant load applied at a rate accelerated up to the point of rupture. 2. Geometry. In a skew surface, curve or line of striction: see quots. ΘΚΠ the world > relative properties > number > geometry > curve > [noun] > with regard to distance focal length1682 focal distance1705 power of a point1872 curve or line of striction1875 1875 P. Frost Solid Geom. (ed. 2) I. 297 The curve which is the limit of the polygon formed by joining a, b, c, d,..at which the imagined membranes would have the greatest density, is called the curve of greatest density; it is also called the line of striction. 1889 A. Cayley Coll. Math. Papers I. 234 The curve pqr..is said to be the minimum distance curve (or curve of striction). 1892 A. Cayley Coll. Math. Papers XIII. 233 Supposing the distances PQ₁, P₁Q₂, P₂Q₃, &c. to be all of them infinitesimal, we have a skew surface containing upon it a curve P₁P₂P₃, &c., which is the line of striction, viz, this is the locus of the point on a generating line which is the nearest point to the consecutive generating line. This entry has not yet been fully updated (first published 1919; most recently modified version published online June 2021). < n.1875
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