Hypertext Webster Gateway: "cycloid"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Cycloid \Cy"cloid\ (s?"kloid), n. [Cyclo- + -oid: cf. F.
cyclo["i]de.] (Geom.)
A curve generated by a point in the plane of a circle when
the circle is rolled along a straight line, keeping always in
the same plane.
Note: The common cycloid is the curve described when the
generating point (p) is on the circumference of the
generating circle; the curtate cycloid, when that point
lies without the circumference; the prolate or
inflected cycloid, when the generating point (p) lies
within that circumference.
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Cycloid \Cy"cloid\, a. (Zo["o]l.)
Of or pertaining to the Cycloidei.
{Cycloid scale} (Zo["o]l.), a fish scale which is thin and
shows concentric lines of growth, without serrations on
the margin.
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Cycloid \Cy"cloid\, n. (Zo["o]l.)
One of the Cycloidei.
From WordNet (r) 1.7 (wn)
cycloid
adj : resembling a circle [syn: {cycloidal}]
n : a line generated by a point on a circle rolling along a
straight line
Additional Hypertext Webster Gateway Lookup
Gateway by dict@stokkie.net
stock only wrote the gateway and does not have any control over the contents;
see the Webster Gateway FAQ,
and also the Back-end/database links and credits.