noun
science and engineering; science and technology
Refers to the combined fields of science and engineering, often used in academic contexts such as 理工学部 (faculty of science and engineering).
彼は理工学部で物理学を専攻している。
He is majoring in physics in the faculty of science and engineering.
理工系の学生は数学が得意なことが多い。
Students in science and engineering fields are often good at mathematics.