"language used for" is correct and usable in written English.
You can use it when describing the purpose for a certain language. For example: "English is the language used for most international business transactions."
LaTeX, computer programming language used for typesetting technical documents.
XML, in full extensible markup language, a document formatting language used for some World Wide Web pages.
When President Obama vowed to fix it, he promised a "tech surge," echoing the language used for Mr. Bush's second-term troop buildup in Iraq.
Although it might be called a Sanskrit play, Sanskrit is by no means the only language used, for the less educated characters, including all women, speak Prākrits of different degrees of niceness.
The revolution seemed to have subtly but firmly tinctured the atmosphere across the Middle East, so that the old language, used for so many years by Arab dictators to justify their rule, suddenly sounded not just oppressive but absurd, laughable.
The Old Church Slavonic language, used for a while along with Latin, fell out of use after 1097, when the last Slavonic monastery in Bohemia was taken over by Benedictine monks.
C also became one of the most common programming languages used for writing other system software and applications.
In a 1979 Scientific American article, Jerome A. Feldman, chairman of the computer-science department at the University of Rochester, noted that in the United States alone there were at that time more than a hundred and fifty programming languages used for various purposes.
The languages used for training the phone recognizers need not be the same with any of those recognized.
This paper deals with problem-oriented visual languages used for solving design tasks during the conceptual design phase.
The languages used for business process representation have, in recent years, been improved and new notations have appeared.
