Contrivance vs Demarcation - What's the difference?

As nouns the difference between contrivance and demarcation

is that contrivance is a (mechanical) device to perform a certain task while demarcation is demarcation.

(en noun)

a (mechanical) device to perform a certain task

a means, such as an elaborate plan or strategy, to accomplish a certain objective

* 2005 , .

And along with each of these go their images, not the things themselves, — they too have come about by godlike contrivance .

something overly artful or artificial

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(wikipedia demarcation)

* demarkation

(en noun)

The act of marking off a boundary or setting a limit, notably by belligerents signing a treaty or ceasefire.

A limit thus fixed, in full demarcation line.

Any strictly defined separation

''There is an alleged, in fact somewhat artificial demarcation in the type of work done by members of different trade unions.

* (l) (back-formation) * (l)

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