noun
technical term; technical terminology
Refers to specialized vocabulary used in a particular field or profession.
このマニュアルには難しい技術用語がたくさん出てくる。
This manual contains many difficult technical terms.
専門用語 is a broader term for specialized vocabulary in any field, while 技術用語 specifically refers to technical or engineering terms.
Compound of 技術 (ぎじゅつ, 'technology') and 用語 (ようご, 'terminology').