/ English Dictionary

PROPULSION

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

The act of propelling

Synonyms:

actuation; propulsion

Classified under:

Nouns denoting acts or actions

Hypernyms ("propulsion" is a kind of...):

act; deed; human action; human activity (something that people do or cause to happen)

Hyponyms (each of the following is a kind of "propulsion"):

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)

Derivation:

propel (cause to move forward with force)

propel (give an incentive for action)

Sense 2

Meaning:

A propelling force

Classified under:

Nouns denoting natural phenomena

Hypernyms ("propulsion" is a kind of...):

force ((physics) the influence that produces a change in a physical quantity)

Hyponyms (each of the following is a kind of "propulsion"):

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)

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