和英／英和辞典 - Japanese⇔English Dictionary

1. 1. [n, adj-no] the sciences; STEM (science, technology, engineering and mathematics)

Kanji in this word

• 理
  logic, arrangement, reason, justice, truth

  On: リ (ri)

  Kun: ことわり (kotowari)

  11 strokes · Grade 2 · JLPT N3
• 系
  lineage, system

  On: ケイ (kei)

  7 strokes · Grade 6 · JLPT N1