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o called because the heat is less than in the torrid zone, and the cold less than in the frigid zones.

Stretched tightly; strained to stiffness; rigid; not lax; as, a tense fiber. The temples were sunk, her forehead was tense, and a fatal paleness was upon her. Goldsmith. -- Tense"ly, adv. -- Tense"ness, n.

One who adheres strictly or rigidly to the text.

Stiff; rigid; not flexible; stubborn; as, a tough bow. So tough a frame she could not bend. Dryden.

o the genus Ostracion, or the family Ostraciontidæ, having an angular body covered with a rigid integument consisting of bony scales. Some of the species are called also coffer fish, and boxfish.

One of a sect of rigid Anabaptists, which originated in 1637, and whose tenets were essentially the same as those of the Mennonists. In addition, however, they held that Judas and the murderers of Christ were saved. So called from the founder of the sect, Ucke Wallis, a native of Friesland. Eadie.

Not relenting; unyielding; rigid; hard; stern; cruel. -- Un`re*lent"ing*ly, adv. -- Un`re*lent"ing*ness, n.

to the passage of blood from the auricles to the ventricles, or when there is an abnormal rigidity in the walls of the greater vessels. There is normally no pulse in a vein.

in a plane perpendicular to that force. Any number of forces acting at any points upon a rigid body may be compounded so as to be equivalent to a wrench. Carriage wrench, a wrench adapted for removing or tightening the nuts that confine the wheels on the axles, or for turning the other nuts or bolts of a carriage or w…

A twisted or distorted neck; a deformity in which the neck is drawn to one side by a rigid contraction of one of the muscles of the neck; torticollis.

nus of American liliaceous, sometimes arborescent, plants having long, pointed, and often rigid, leaves at the top of a more or less woody stem, and bearing a large panicle of showy white blossoms.

A dirigible balloon of the rigid type, consisting of a cylindrical trussed and covered frame supported by internal gas cells, and provided with means of propulsion and control. It was first successfully used by Ferdinand Count von Zeppelin.