Department; section; faculty — a division within an organization or institution (also commonly used as a suffix).
病院の内科と外科は同じ建物にある。
The hospital's internal medicine and surgery departments are in the same building.
研究科の事務は来週までに提出してください。
Please submit the research department's paperwork by next week.
企業によっては『営業科』という呼び方をするところもある。
Some companies refer to a sales division as the 'sales department.'
A course of study; branch of study; specialization — the academic subject or major within a school or faculty.
大学で経済学科に入学して三年目になる。
I'm in my third year after entering the university's economics department.
高校で理科を選択したが、生物科が一番好きだ。
I chose science in high school, and I like the biology course the best.
看護学科の受験には筆記と面接がある。
Admission to the nursing department requires a written test and an interview.
A taxonomic family (used in biology to classify plants or animals; corresponds roughly to 'family').
植物分類ではバラ科に属する多くの園芸品種がある。
In plant classification, there are many horticultural varieties belonging to the rose family.
この昆虫はハエ目・ハチ科に属すると報告されている。
This insect has been reported to belong to the order Diptera, family Ichneumonidae.