tension
['tenʃәn]
n. , , , , 压, 压

vt. , 使

[]

[医] ,



tension
[ noun ]

1. (psychology) a state of mental or emotional strain or suspense

<noun.state>
he suffered from fatigue and emotional tension
stress is a vasoconstrictor

2. the physical condition of being stretched or strained

<noun.state>
it places great tension on the leg muscles
he could feel the tenseness of her body

3. a balance between and interplay of opposing elements or tendencies (especially in art or literature)

<noun.state>
there is a tension created between narrative time and movie time
there is a tension between these approaches to understanding history

4. (physics) a stress that produces an elongation of an elastic physical body

<noun.phenomenon>
the direction of maximum tension moves asymptotically toward the direction of the shear

5. feelings of hostility that are not manifest

<noun.state>
he could sense her latent hostility to him
the diplomats' first concern was to reduce international tensions

6. the action of stretching something tight

<noun.act>
tension holds the belt in the pulleys

Tension \Ten"sion\, n. [L. tensio, from tendere, tensum, to
stretch: cf. F. tension. See {Tense}, a.]
1. The act of stretching or straining; the state of being
stretched or strained to stiffness; the state of being
bent strained; as, the tension of the muscles, tension of
the larynx.

2. Fig.: Extreme strain of mind or excitement of feeling;
intense effort.

3. The degree of stretching to which a wire, cord, piece of
timber, or the like, is strained by drawing it in the
direction of its length; strain. --Gwilt.

4. (Mech.) 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) 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.) 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.