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单词 propulsion
释义
propulsion
(once / 6900 pages)
n

The act of moving something forward is called propulsion. Propulsion is the force that pushes a rocket into space, that sends a football spiraling toward a receiver's hands, and that moves a strongly kicking swimmer through the water.
The noun propulsion came from the Latin prōpellere, "to push away." The modern meaning of propulsion meaning "the act of moving forward" was first recorded in 1799. In water, flippers, fins, and the wind can aid propulsion. In a general sense, if society is to move forward, we must stop using fossil fuels as our main means of propulsion.
WORD FAMILY
propulsion: propulsions+/propel: propellant, propelled, propellent, propeller, propelling, propellor, propels, propulsion, propulsive/propellant: propellants/propelled: self-propelled/propellent: propellents/propeller: propellers/propelling: self-propelling/propellor: propellors/propulsive: propulsively
USAGE EXAMPLES
The littoral fleet is designed to operate close to shore with steerable jet propulsion.
Washington Times(Dec 30, 2016)
A similar dragnet at NASA’s Jet Propulsion Laboratory would yield plenty of genius-level fluid dynamicists responsible for computerized models of the Earth’s atmosphere.
Slate(Dec 27, 2016)
Listen to the start of “Superstition,” from Talking Book—among the most recognizable drum intros of all time, built entirely on Wonder’s funky propulsion.
Slate(Dec 18, 2016)
1n the act of propelling
Syn|Hypo|Hyper
actuation
launch, launching
the act of propelling with force
launching
the act of moving a newly built vessel into the water for the first time
drive, driving force, thrust
the act of applying force to propel something
bowl, roll
the act of rolling something (as the ball in bowling)
throw
the act of throwing (propelling something with a rapid movement of the arm and wrist)
push, pushing
the act of applying force in order to move something away
pull, pulling
the act of pulling; applying force to move something toward or with you
heave, lift, raise
the act of raising something
ejection, expulsion, forcing out, projection
the act of expelling or projecting or ejecting
jump, jumping
the act of jumping; propelling yourself off the ground
lob
the act of propelling something (as a ball or shell etc.) in a high arc
rolling, wheeling
propelling something on wheels
shooting, shot
the act of firing a projectile
dribble, dribbling
the propulsion of a ball by repeated taps or kicks
rocket firing, rocket launching
the launching of a rocket or missile under its own power
firewall
(colloquial) the application of maximum thrust
impetus, impulse, impulsion
the act of applying force suddenly
bowling
(cricket) the act of delivering a cricket ball to the batsman
fling
the act of flinging
heave, heaving
throwing something heavy (with great effort)
cast, hurl
a violent throw
leaner
(horseshoes) the throw of a horseshoe so as to lean against (but not encircle) the stake
flip, pass, toss
(sports) the act of throwing the ball to another member of your team
pitch
the action or manner of throwing something
delivery, pitch
(baseball) the act of throwing a baseball by a pitcher to a batter
ringer
(horseshoes) the successful throw of a horseshoe or quoit so as to encircle a stake or peg
shy
a quick throw
slinging
throwing with a wide motion (as if with a sling)
throw-in
(rugby) an act or instance of throwing a ball in to put it into play
depression
pushing down
jog, nudge
a slight push or shake
press, pressing, pressure
the act of pressing; the exertion of pressure
shove
the act of shoving (giving a push to someone or something)
drag
the act of dragging (pulling with force)
draw, haul, haulage
the act of drawing or hauling something
jerk, tug
a sudden abrupt pull
draft, draught, drawing
the act of moving a load by drawing or pulling
deracination, excision, extirpation
the act of pulling up or out; uprooting; cutting off from existence
pluck
the act of pulling and releasing a taut cord
traction
(orthopedics) the act of pulling on a bone or limb (as in a fracture) to relieve pressure or align parts in a special way during healing
belch, belching, burp, burping, eructation
a reflex that expels gas noisily from the stomach through the mouth
belching
the forceful expulsion of something from inside
coughing up
the act of expelling (food or phlegm) by coughing
expectoration, spit, spitting
the act of spitting (forcefully expelling saliva)
disgorgement, emesis, puking, regurgitation, vomit, vomiting
the reflex act of ejecting the contents of the stomach through the mouth
header
a headlong jump (or fall)
hop
the act of hopping; jumping upward or forward (especially on one foot)
bounce, bound, leap, leaping, saltation, spring
a light, self-propelled movement upwards or forwards
hurdle, vault
the act of jumping over an obstacle
jumping up and down
jumping in one spot (as in excitement)
shoot
the act of shooting at targets
countershot
a return shot; a retaliatory shot
discharge, firing, firing off
the act of discharging a gun
gunfire, gunshot
the act of shooting a gun
headshot
a shot aimed at a person's head
shellfire
shooting artillery shells
potshot
a shot taken at an easy or casual target (as by a pothunter)
double dribble
an illegal dribble in basketball (the player uses both hands to dribble or the player starts to dribble a second time after coming to a stop)
capriole
(dressage) a vertical jump of a trained horse with a kick of the hind legs at the top of the jump
boost
the act of giving a push
flip
a sudden, quick movement
act, deed, human action, human activity
something that people do or cause to happen
2n a propelling force
Hypo|Hyper
nuclear propulsion
the use of a nuclear reactor either to produce electricity to power an engine (as in a nuclear submarine) or to directly heat a propellant (as in nuclear rockets)
reaction propulsion
propulsion that results from the ejection at high velocity of a mass of gas to which the vehicle reacts with an equal and opposite momentum
jet propulsion
propulsion by means of the discharge of a jet of fluid toward the rear
rocket propulsion
reaction propulsion using stored oxygen for combustion; used where there is insufficient atmospheric oxygen
force
(physics) the influence that produces a change in a physical quantity
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更新时间:2024/12/23 17:01:23