Definition: thrust
Source: WordNet (r) 1.7
thrust
n 1: the force used in pushing; "the push of the water on the
walls of the tank"; "the thrust of the jet engines"
[syn: push]
2: a thrusting blow with a knife [syn: stab, knife thrust]
3: the act of applying force to propel something; "after
reaching the desired velocity the drive is cut off" [syn:
drive, driving force]
4: verbal criticism; "he enlivened his editorials with barbed
thrusts at politicians"
5: a sharp hand gesture (resembling a blow); "he warned me with
a jab with his finger"; "he made a thrusting motion with
his fist" [syn: jab, jabbing, poke, poking, thrusting]
v 1: push forcefully; "He thrust his chin forward"
2: press or force; "Stuff money into an envelope"; "She thrust
the letter into his hand" [syn: stuff, shove, squeeze]
3: make a thrusting forward movement [syn: lunge, hurl, hurtle]
4: impose or thrust urgently, importunately, or inexorably;
"She forced her diet fads on him" [syn: force]
5: penetrate or cut through with a sharp instrument [syn: pierce]
6: push upward; "The front of the trains that had collided
head-on thrust up into the air" [syn: push up]
Source: Webster's Revised Unabridged Dictionary (1913)
Fault \Fault\, n.
1. (Elec.) A defective point in an electric circuit due to a
crossing of the parts of the conductor, or to contact with
another conductor or the earth, or to a break in the
circuit.
2. (Geol. & Mining) A dislocation caused by a slipping of
rock masses along a plane of facture; also, the dislocated
structure resulting from such slipping.
Note: The surface along which the dislocated masses have
moved is called the
fault plane. When this plane is vertical, the fault is a
vertical fault; when its inclination is such that the
present relative position of the two masses could have
been produced by the sliding down, along the fault plane,
of the mass on its upper side, the fault is a
normal, or gravity, fault. When the fault plane is so
inclined that the mass on its upper side has moved up
relatively, the fault is then called a
reverse (or reversed), thrust, or overthrust,
fault. If no vertical displacement has resulted, the fault
is then called a
horizontal fault. The linear extent of the dislocation
measured on the fault plane and in the direction of
movement is the
displacement; the vertical displacement is the
throw; the horizontal displacement is the
heave. The direction of the line of intersection of the
fault plane with a horizontal plane is the
trend of the fault. A fault is a
strike fault when its trend coincides approximately with
the strike of associated strata (i.e., the line of
intersection of the plane of the strata with a horizontal
plane); it is a
dip fault when its trend is at right angles to the strike;
an
oblique fault when its trend is oblique to the strike.
Oblique faults and dip faults are sometimes called
cross faults. A series of closely associated parallel
faults are sometimes called
step faults and sometimes
distributive faults.
Thrust \Thrust\, n. & v. Thrist. [Obs.] --Spenser.
Thrust \Thrust\, v. t. [imp. & p. p. Thrust; p. pr. & vb. n. Thrusting.] [OE. ?rusten, ?risten, ?resten, Icel. ?r?st? to thrust, press, force, compel; perhaps akin to E. threat.] 1. To push or drive with force; to drive, force, or impel; to shove; as, to thrust anything with the hand or foot, or with an instrument. Into a dungeon thrust, to work with slaves. --Milton. 2. To stab; to pierce; -- usually with through. To thrust away or from, to push away; to reject. To thrust in, to push or drive in. To thrust off, to push away. To thrust on, to impel; to urge. To thrust one's self in or into, to obtrude upon, to intrude, as into a room; to enter (a place) where one is not invited or not welcome. To thrust out, to drive out or away; to expel. To thrust through, to pierce; to stab. ``I am eight times thrust through the doublet.'' --Shak. To thrust together, to compress.
Thrust \Thrust\, v. i.
1. To make a push; to attack with a pointed weapon; as, a
fencer thrusts at his antagonist.
2. To enter by pushing; to squeeze in.
And thrust between my father and the god. --Dryden.
3. To push forward; to come with force; to press on; to
intrude. ``Young, old, thrust there in mighty concourse.''
--Chapman.
To thrust to, to rush upon. [Obs.]
As doth an eager hound Thrust to an hind within some
covert glade. --Spenser.
Thrust \Thrust\, n.
1. A violent push or driving, as with a pointed weapon moved
in the direction of its length, or with the hand or foot,
or with any instrument; a stab; -- a word much used as a
term of fencing.
[Polites] Pyrrhus with his lance pursues, And often
reaches, and his thrusts renews. --Dryden.
2. An attack; an assault.
One thrust at your pure, pretended mechanism. --Dr.
H. More.
3. (Mech.) The force or pressure of one part of a
construction against other parts; especially (Arch.), a
horizontal or diagonal outward pressure, as of an arch
against its abutments, or of rafters against the wall
which support them.
4. (Mining) The breaking down of the roof of a gallery under
its superincumbent weight.
Thrust bearing (Screw Steamers), a bearing arranged to
receive the thrust or endwise pressure of the screw shaft.
Thrust plane (Geol.), the surface along which dislocation
has taken place in the case of a reversed fault.
Syn: Push; shove; assault; attack.
Usage: Thrust, Push, Shove. Push and shove usually
imply the application of force by a body already in
contact with the body to be impelled. Thrust, often,
but not always, implies the impulse or application of
force by a body which is in motion before it reaches
the body to be impelled.
