Conchoid

Quick meaning: Conchoid is a noun meaning (geology) A conchoidal fracture in rock.

Meaning

(geology) A conchoidal fracture in rock.

More Meanings

1. (mathematics, geometry) Any of a family of curves defined as the locus of points p, such that each p is on a line that passes through a given fixed point P and intersects a given curve, C, and the distance from p to the point of intersection with C is a specified constant (note that for nontrivial cases two such points p satisfy the criteria, and the resultant curve has two parts).

Example Sentences

One of the best choices is the conchoid, according to Newton the simplest curve after the circle.

The Conchoid of Nicomedes is the conchoid of a straight line with respect to a point not on the line.

The conchoid of a circle with respect to a point on the circle is a cardioid if the fixed distance is equal to the diameter of the circle.

Conchoids of sound rock, from a few feet to 20 or more feet in diameter, entirely surrounded by comparatively thin layers of weathered material, were frequently encountered, sometimes in adjacent series.

Word Forms

• conchoids

Related Words

Related dictionary entries include cissoid, secant, conoid, parabola, trochoid, chord.

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