Jul 15, 2005 07:38
18 yrs ago
19 viewers *
English term

motor/engine

English Tech/Engineering Other
Okay... I get in a terminological list "motors and engines" in the same category. Could anyone please explain the difference?

TIA,
Dan

Discussion

Non-ProZ.com Jul 15, 2005:
It is not the scale But neither of them refers to land vehicles
Tony M Jul 15, 2005:
Can you tell from your list, or the wider context, if the intended differentiation is between the source of motive power and/or the scale?
Non-ProZ.com Jul 15, 2005:
EU Yes, but the problem is that both terms are used in Europe here.

Responses

+7
27 mins
Selected

See explanation below...

In addition to some differences in AE / BE usage, I would say there is also a tendency to differentiate on size, and sometimes energy source used.

For example, in BE at least, we tend to talk about:

car engine
petrol/diesel engine
marine inboard engine
jet engine

all tending to be quite large, and involving fuel

Whereas we talk about:
an outboard motor (likely to be petrol, but small) (though cf. the engine (OR: motor) used on a lawnmower etc.)
electric motor


I know that in AE, and informal language in the UK, we may talk about a 'automobile motor' and refer to a 'car' as a 'motor', but I think this is a different register, not really applicable to your context.

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Note added at 1 hr 12 mins (2005-07-15 08:50:41 GMT)
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I think the fuel difference that Terry has highlighted is indeed the primary factor that would help me decide which term \'fits\' best in any given context. The size is subsidiary: you can have some thumping great electric motors (but they stay motors), and these days there are som quite diddy little 2-stroke internal combustion engines available (but they stay engines).

The use of \'engine\' as a colloquial/childish word for \'railway locomotive\' is in my view a bit of a side issue.

It is interesting to note that in certain specialized modern meanings, the word \'engine\' has been taken deliberately in a different register: cf. search engine, laser-printer engine

And of course, in figurative uses: \"motor for reform\" (something that provides the \'driving/motive force\' behind --- here, the \'movement\' aspect is to the fore.
Peer comment(s):

agree juvera
13 mins
Thanks, Juvera!
agree Terry Gilman : yes, different register; good examples//It was Dan's "terminological list" that made me think of my old parts lists days. Appropos your variants, the new "hybrids" seem to be "drives" (Toyota Prius).
23 mins
Thanks a lot, Terry!
agree Yavor Dimitrov : I like your explanation best.
1 hr
Thanks, Tangra!
agree pidzej : after the 08:50:41 addition
5 hrs
Thanks, Pidzej!
agree Can Altinbay
6 hrs
Thanks, Can!
agree Alp Berker
3 days 17 hrs
Thanks, Alp!
agree AH WORD
6307 days
Thanks, Ahlem!
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4 KudoZ points awarded for this answer. Comment: "Thanks!"
5 mins

"motor" is used mainly in US

As far as I am concerned, "a motor" is the American for an "engine".
Peer comment(s):

neutral Tony M : Yes, but it is also used in Europe, I think the differences are more subtle than just that...
22 mins
Thank you Dusty. Agree with you. I should've done more research on this.
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+2
6 mins

[see explanations]


MOTOR - Noun
1. Machine that converts other forms of energy into mechanical energy and so imparts motion.

ENGINE - Noun
1. Motor that converts thermal energy to mechanical work.

2. Something used to achieve a purpose: "an engine of change".

3. Wheeled vehicle consisting of a self-propelled engine used to draw trains along railway tracks.

WEBSTER'S ONLINE DICTIONARY THE ROSETTA EDITION



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Note added at 10 mins (2005-07-15 07:48:53 GMT)
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Check out these definitions,too, from CAMBRIDGE DICTIONARY
Definition
engine [Show phonetics]
noun [C]
1 a machine that uses the energy from liquid fuel or steam to produce movement:
a jet engine
a car engine
My car\'s been having engine trouble recently.
See picture .

2 (ALSO locomotive) the part of a railway train that pulls it along

Definition
motor (DEVICE) [Show phonetics]
noun [C]
a device that changes electricity or fuel into movement and makes a machine work:
The pump is powered by a small electric motor.
Our washing machine needs a new motor.
MAINLY US I\'ve had a new motor (= engine) put in my car.

(from Cambridge Advanced Learner\'s Dictionary)




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Note added at 24 mins (2005-07-15 08:03:31 GMT)
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I think with \"motor\" the emphasis lies primarily on movement,motion and productio of mechanical energy, while \"engine\" implies a motor that converts thermal energy to mechanical work and it needs fuel.
See this, too:

motor
1. Something, such as a machine or an engine, that produces or imparts motion. 2. A device that converts any form of energy into mechanical energy, especially an internal-combustion engine or an arrangement of coils and magnets that converts electric current into mechanical power. 3. A motor vehicle, especially an automobile: (The American Heritage Dictionary
Peer comment(s):

agree juvera
33 mins
thank you!
agree Terry Gilman : for a parts list, the electricity vs liquid fuel aspect
42 mins
thank you!
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+3
45 mins

(electric) motor, (combustion) engine

Colloquially interchangeable, but the source of power is different: motors = electric motors, engines = combustion engines.

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Note added at 57 mins (2005-07-15 08:36:19 GMT)
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Perhaps I should say *largely* interchangeable.
My first translating job was in a factory for machinery equipped with 3-phase AC motors, for example, which is how I was introduced to the difference.
Peer comment(s):

agree flipendo
9 mins
Thank you.
agree Cilian O'Tuama : tricky one, quite fuzzy. We talk of motor vehicles, and not engine vehicles
20 mins
Yes, and my uncle's motor boat always had a cantankerous engine
neutral Tony M : To be honest, I'd say 'rarely' interchangeable, at least in BE. There's an instinctive 'feel' for which fits best...
20 mins
Probably due to my anything-goes-in-AE background :-) I know I had no particular instincts about motors/engines until the diff was pointed out to me
agree AH WORD
6307 days
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