専せん門もん用よう語ご

せ

ん

も

ん

よ

う

ご

Meanings

1

Refers to specialized vocabulary used in a particular field or profession.

い

味み

が

わから

ない

。

I don't understand the meaning of this technical term.

医い者しゃは患かん者じゃに専せん門もん用よう語ごを使つかわないようにしている。

The doctor tries not to use jargon with patients.

術じゅつ語ごN1
専門用語 is the everyday, widely used word for 'technical term', while 術語 is a more formal, often lexicographic or academic term with the same meaning.
用よう語ごN2
専門用語 narrows 用語 down to jargon or technical terms specific to one specialized field.
隠いん語ご
専門用語 is technical terminology used openly within a field, whereas 隠語 often carries a nuance of secrecy or exclusion of outsiders.
カント
専門用語 is the neutral, standard word for technical jargon, while カント is rarer and can imply a more specialized or negative nuance.

Compound of 専門 (specialty, expert) + 用語 (term, terminology).