Term: circle of curvature: the circle that touches a curve (on the concave side) and whose radius is the radius of curvature
Broader: circle: ellipse in which the two axes are of equal length; a plane curve generated by one point moving at a constant distance from a fixed point | Unrelated: agnatha: superclass of eel-shaped chordates lacking jaws and pelvic fins: lampreys; hagfishes; some extinct forms
Broader: circle: ellipse in which the two axes are of equal length; a plane curve generated by one point moving at a constant distance from a fixed point | Unrelated: butter cookie: cookie containing much butter
Broader: circle: ellipse in which the two axes are of equal length; a plane curve generated by one point moving at a constant distance from a fixed point | Unrelated: berycomorphi: an order of spiny-finned fish in the superorder Acanthopterygii
Broader: circle: ellipse in which the two axes are of equal length; a plane curve generated by one point moving at a constant distance from a fixed point | Unrelated: trumpetfish: tropical Atlantic fish with a long snout; swims snout down
Broader: circle: ellipse in which the two axes are of equal length; a plane curve generated by one point moving at a constant distance from a fixed point | Unrelated: tablemate: someone you dine with
Broader: circle: ellipse in which the two axes are of equal length; a plane curve generated by one point moving at a constant distance from a fixed point | Unrelated: baseball cap: a cap with a bill
Broader: circle: ellipse in which the two axes are of equal length; a plane curve generated by one point moving at a constant distance from a fixed point | Unrelated: pilomotor reflex: reflex erection of hairs of the skin in response to cold or emotional stress or skin irritation
Broader: circle: ellipse in which the two axes are of equal length; a plane curve generated by one point moving at a constant distance from a fixed point | Unrelated: black market: people who engage in illicit trade
Broader: circle: ellipse in which the two axes are of equal length; a plane curve generated by one point moving at a constant distance from a fixed point | Unrelated: edible cockle: common edible European cockle
Broader: circle: ellipse in which the two axes are of equal length; a plane curve generated by one point moving at a constant distance from a fixed point | Unrelated: facer: (a dated Briticism) a serious difficulty with which one is suddenly faced