/
ɪˈkweɪʒ(ə)n/
n.
- the process of equating one thing with another.
- Mathematics a statement that the values of two mathematical expressions are equal (indicated by the sign =).
- Chemistry a symbolic representation of the changes which occur in a chemical reaction, expressed in terms of the formulae of the molecules or other species involved.
Phrase
- equation of the first
(or second etc.)
order
Mathematics an equation involving only the first derivative, second derivative, etc. - equation of state
Chemistry an equation showing the relationship between the values of the pressure, volume, and temperature of a quantity of a particular substance. - equation of time
the difference between mean solar time (as shown by clocks) and apparent time (indicated by sundials), which varies with the time of year.
Etymology
ME: from L. aequatio(n-), from aequare (see equate).
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