Illustration: In a Japanese university teaching laboratory, three students work together around a small experimental waterwheel. One pours water through a narrow channel, another adjusts a connected electrical circuit, and a third measures the wheel’s diameter with calipers.

JLPT N2nounLevel estimated by Bebop

理り系けい

rikei

the sciences, STEM fields

Example sentences

  1. お前まえは文系ぶんけいの方ほうが合あってるよ。理系りけいは向むいてないと思おもう。

    You would fit in well with those in humanities. But I don’t think you are so well suited to the sciences.

    Tatoeba · CC BY 2.0 FR · Source

  2. この大学だいがくは北京大学ぺきんだいがくと並ならんで中国ちゅうごくを代表だいひょうする名門大学めいもんだいがくとして成長せいちょうし、現在げんざいでも理系りけい分野ぶんやではトップと言いわれている。

    This university grew to be a prestigious institution representing China along with Peking University and is even now reputed to be at the top in the field of science.

    KFTT corpus (NICT), Wikipedia · CC BY-SA 3.0 · Source

  3. たとえばB群ぐんには文系学生向ぶんけいがくせいむけの数学すうがくの講義こうぎが含ふくまれるが、これを理系りけい学部がくぶの学生がくせいが履修りしゅうしても単位たんいとして認みとめられない。

    For example, in Group B, there is a course of mathematics for students majoring in humanities, but this course is unacceptable as credits for students majoring in science.

    KFTT corpus (NICT), Wikipedia · CC BY-SA 3.0 · Source

Kanji in 理系

  • 理logic; arrangementOnリKunことわり
  • 系lineage; systemOnケイ

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