Was heißt »fachsprachlich« auf Englisch?

Das Adjektiv »fachsprachlich« lässt sich wie folgt von Deutsch auf Englisch übersetzen:

Synonyme

In 1609, Galileo heard about the invention of the spyglass, a device which made distant objects appear closer. Galileo used his mathematical knowledge and technical skills to improve upon the spyglass and build a telescope.
Over 16,500 different technical and scientific experiments were carried out aboard Mir.
A technical error has occurred.
Dihydrogen monoxide is the overly technical term for water.
Owing to technical problems, a film was shown instead of the advertised programme.
It is important to note the difference between general and technical language.
These are technical documents and they are very difficult to translate.
What's the technical term for that?
On my desk is a rubber duck that I sometimes ask for technical support. Of course, it can't answer, but the process of explaining the problem often helps me find a solution.
These technical terms are derived from Greek.
The programmer is fixing a technical problem with the computer server.
You need technical knowledge to understand how this system works.
Written in technical terms, this book is very difficult to understand.
These technical terms derive from Greek.
Because of some technical problem, a movie was shown in place of the announced program.