Trochoid

Word TROCHOID
Character 8
Hyphenation tro choid
Pronunciations N/A

Definitions and meanings of "Trochoid"

What do we mean by trochoid?

A curve traced by a point on or connected with a circle as the circle rolls along a fixed straight line. noun

Capable of or exhibiting rotation about a central axis. adjective

Permitting rotation, as a pulley or pivot. adjective

In geometry: The curve described by any point on a radius of the rolling circle, or on a radius produced when two circles are tangent either externally or internally and, while one of them remains fixed, the other rolls upon it without sliding. noun

In geometry, trochoidal.

In anatomy, rotating or revolving like a wheel; pivotal, as an articulation; trochoidal: applied to that kind of rotatory arthrosis in which a part revolves to some extent upon another, as the head of the radius in the lesser sigmoid cavity of the ulna in pronation and supination of the forearm, or the atlas about the odontoid process of the axis in shaking the head.

In conchology, top-shaped, like a shell of the genus Trochus; conical with a flat base; of or related to the Trochidæ.

In geometry, a prolate or curtate cycloid or curve traced by a point in fixed connection with, but not generally on the circumference of, a wheel which rolls upon a right line. If the point is outside the circumference, the trochoid has loops; if inside, it has waves. See cycloid. noun

In anatomy, a rotatory or pivotal joint; diarthrosis rotatorius; cyclarthrosis. noun

In conchology, a top-shell, or some similar shell; any member of the Trochidæ. noun

The curve described by any point in a wheel rolling on a line; a cycloid; a roulette; in general, the curve described by any point fixedly connected with a moving curve while the moving curve rolls without slipping on a second fixed curve, the curves all being in one plane. Cycloids, epicycloids, hypocycloids, cardioids, etc., are all trochoids. noun

Admitting of rotation on an axis; -- sometimes applied to a pivot joint like that between the atlas and axis in the vertebral column. adjective

Top-shaped; having a flat base and conical spire; -- said of certain shells. adjective

Of or pertaining to the genus Trochus or family Trochidæ. adjective

The curve traced by a point on a circle as it rolls along a straight line noun

Capable of rolling adjective

Allowing rotation adjective

The curve traced by a point on a circle as it rolls along a straight line

Synonyms and Antonyms for Trochoid

  • Antonyms for trochoid
  • Trochoid antonyms not found!

The word "trochoid" in example sentences

In one form, the ginglymus, this axis is, practically speaking, transverse; in the other, the trochoid or pivot-joint, it is longitudinal. ❋ Unknown (1918)

—This articulation is a trochoid or pivot-joint between the circumference of the head of the radius and the ring formed by the radial notch of the ulna and the annular ligament. ❋ Unknown (1918)

Cross Reference for Trochoid

What does trochoid mean?

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