4. (Mech.)

Defn: The force by which a part is pulled when forming part of any system in equilibrium or in motion; as, the tension of a srting supporting a weight equals that weight.

5. A device for checking the delivery of the thread in a sewing machine, so as to give the stitch the required degree of tightness.

6. (Physics)

Defn: Expansive force; the force with which the particles of a body, as a gas, tend to recede from each other and occupy a larger space; elastic force; elasticity; as, the tension of vapor; the tension of air.

7. (Elec.)

Defn: The quality in consequence of which an electric charge tends to discharge itself, as into the air by a spark, or to pass from a body of greater to one of less electrical potential. It varies as the quantity of electricity upon a given area. Tension brace, or Tension member (Engin.), a brace or member designed to resist tension, or subjected to tension, in a structure. — Tension rod (Engin.), an iron rod used as a tension member to strengthen timber or metal framework, roofs, or the like.

TENSIONED
Ten"sioned, a.

Defn: Extended or drawn out; subjected to tension. "A highly tensioned string." Tyndall.

TENSITY
Ten"si*ty, n.