adjective
relating to the practical use of machines or science in industry, medicine, etc.
teaching practical skills rather than ideas about literature, art, etc.
[more ~; most ~]
having special knowledge especially of how machines work or of how a particular kind of work is done
relating to the special skills or techniques needed to do a particular job or activity
[more ~; most ~] :involving special knowledge, language, etc., that is used or understood by experts but usually not by others
according to a very strict explanation of a rule, fact, etc.