English-Thai Dictionary
evolute
N ตำแหน่ง ของ จุดศูนย์กลาง ของ เส้นโค้ง อีก เส้น หนึ่ง
Webster's 1828 Dictionary
EVOLUTE
n.An original curve from which another curve is described; the origin of the evolent.
Webster's 1913 Dictionary
EVOLUTE
Ev "o *lute, n. Etym: [L. evolutus unrolled, p. p. of evolvere. See Evolve. ] (Geom.)
Defn: A curve from which another curve, called the involute or evolvent, is described by the end of a thread gradually wound upon the former, or unwound from it. See Involute. It is the locus of the centers of all the circles which are osculatory to the given curve or evolvent.
Note: Any curve may be an evolute, the term being applied to it only in its relation to the involute.
New American Oxford Dictionary
evolute
ev o lute |ˈevəˌlo͞ot ˌɛvəˈljut |(also evolute curve ) ▶noun Mathematics a curve that is the locus of the centers of curvature of another curve (its involute ). ORIGIN mid 18th cent.: from Latin evolutus, past participle of evolvere ‘roll out ’ (see evolve ).
Oxford Dictionary
evolute
evolute |ˈiːvəl (j )uːt, ˈɛv -| ▶noun (also evolute curve ) Mathematics a curve which is the locus of the centres of curvature of another curve (its involute ). ▶adjective Zoology & Botany rolled outwards at the edges: an evolute shell. ORIGIN mid 18th cent.: from Latin evolutus, past participle of evolvere ‘roll out ’ (see evolve ).
Duden Dictionary
Evolute
Evo lu te Substantiv, feminin , die |Evol u te |die Evolute; Genitiv: der Evolute, Plural: die Evoluten lateinisch Kurve, die aus einer aufeinanderfolgenden Reihe von Krümmungsmittelpunkten einer anderen Kurve (der Ausgangskurve ) entsteht
The Wordsmith Dictionary