平方根(へいほうこん)

A compound of 平方(へいほう) (square, second power) and 根(こん) (root). This is standard mathematical terminology taught in Japanese middle school (中学(ちゅうがく)3年(ねん)). The symbol √ is called 根号(こんごう) or ルート in Japanese.

Common collocations

• 平方根(へいほうこん)を求(もと)める: to find the square root
• 正(せい)の平方根(へいほうこん): positive square root
• 平方根(へいほうこん)の計算(けいさん): square root calculation
• ルート (平方根(へいほうこん)の記号(きごう)): root symbol (√)

Similar words

• 平方(へいほう): square (of a number) — the operation of squaring a number, the inverse of taking the square root
• 立方根(りっぽうこん): cube root — a number that when cubed gives the original
• ルート: root — the loanword commonly used in spoken Japanese for √