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Discover LudwigThe phrase "an expression for this" is correct and usable in written English.
It can be used when referring to a specific way to articulate or convey a particular idea or concept.
Example: "In mathematics, we often seek an expression for this problem to simplify our calculations."
Alternatives: "a formulation for this" or "a representation for this".
Exact(17)
Texans have an expression for this.
Swabians even have an expression for this – hälinge reich, which means "secretly rich".
In Judaism, we have an expression for this split between fantasy and reality.
There's an expression for this, first used by globetrotters in Henry Kissinger's shuttle diplomacy days, now by the rest of us.
A theoretical model is presented, based on a force balance at the gas inlet location, giving an expression for this gas inflow velocity.
Exploiting the form of the estimator of the exponent of Stevens' power law, we obtain an expression for this parameter as a function of the original two functions.
Similar(43)
From this, an expression for the first term of this series is obtained in terms of the sizes and volume density of the scatterers.
For this purpose, an expression for the energy velocity of leaky Lamb waves in a stressed plate is derived.
We derive an expression for the BER of the this system in the presence of a TEQ at the receiver front end.
The former is given in Theorem 2. For the latter, we give an expression for the asymptotic distribution of this distance measure, from which a significance threshold may be obtained.
In this work an expression for the expected likelihood for a multiresponse system is developed.
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com