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Tanagrine.

d dog (Canis procyonoides), native of Japan and adjacent countries. It has a short, bushy tail. Called also raccoon dog.

A team of horses harnessed one before the other. "He drove tandems." Thackeray. Tandem engine, a compound steam engine having two or more steam cylinders in the same axis, close to one another. -- Tandem bicycle or tricycle, one for two persons in which one rider sits before the other.

A kind of two-wheeled vehicle with seats back to back, the front one somewhat elevated.

A steam engine having two or more steam cylinders in line, with a common piston rod.

= Cascade system.

A coarse blackish seaweed (Fuscus nodosus). Dr. Prior. Tang sparrow (Zoöl.), the rock pipit. [Prov. Eng.]

An East Indian civet (Viverra tangalunga).

A hybrid between the tangerine orange and the grapefruit, or pomelo; also, the fruit.

Tangency. [R.]

The quality or state of being tangent; a contact or touching.

A tangent line curve, or surface; specifically, that portion of the straight line tangent to a curve that is between the point of tangency and a given line, the given line being, for example, the axis of abscissas, or a radius of a circle produced. See Trigonometrical function, under Function. Artificial, or Logarithmi…

A tension spoke of a bicycle or similar wheel, secured tangentially to the hub.

A worm or worm wheel; a tangent screw.

Tangential.

Of or pertaining to a tangent; in the direction of a tangent. Tangential force (Mech.), a force which acts on a moving body in the direction of a tangent to the path of the body, its effect being to increase or diminish the velocity; -- distinguished from a normal force, which acts at right angles to the tangent and ch…

In the direction of a tangent.

gher flavor. It is said to have been produced in America from the mandarin. [Written also tangierine.]

The common harbor seal. [Prov. Eng.]

The ordeal tree. See under Ordeal.