Noun

(en-noun)

(mathematics, uncountable) The act or process of calculating.

(mathematics, countable) The result of calculating.

* {{quote-magazine, date=2012-01

, author=Michael Riordan , title=Tackling Infinity , volume=100, issue=1, page=86 , magazine= citation , passage=Some of the most beautiful and thus appealing physical theories, including quantum electrodynamics and quantum gravity, have been dogged for decades by infinities that erupt when theorists try to prod their calculations into new domains. Getting rid of these nagging infinities has probably occupied far more effort than was spent in originating the theories.}}

(countable) Reckoning, estimate.

By my calculation, we should be there by midnight.

(countable) An expectation based on circumstances.

Noun

(en noun)

Something which simulates a system or environment in order to predict actual behaviour.''

This exercise is a simulation of actual battle conditions.

The most reliable simulation predicts that the hurricane will turn north.

The process of simulating.

Despite extensive simulation in the design phase, the aircraft failed to behave as expected.

Assuming an appearance which is feigned, or not true.

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(soccer) The act of falling over in order to be awarded a foul, when a foul hasn't been committed.

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