勾

Meaning

勾 centers on a curved or hooked shape that can catch or slope. Being bent is the core idea, from which sloping and capturing naturally follow.

• 勾留こうりゅう

  detention pending trial; confinement; custody

• 勾配こうばい
  N1

  slope; incline; gradient; grade; pitch

• 勾玉まがたま

  magatama; comma-shaped bead from prehistoric Japan, usually made of jade

• 上り勾配のぼりこうばい

  uphill grade; upgrade

• 下り勾配くだりこうばい

  downhill grade; downgrade

• 八尺瓊勾玉やさかにのまがたま

  large jewel; string of jewels

• 共役勾配法きょうやくこうばいほう

  contragradient method; conjugate gradient method; CG method

• 勾引こういん

  arrest; custody; apprehending; abduction

• 勾引しかどわかし

  kidnapper

• 勾引すかどわす

  to kidnap

• 勾引状こういんじょう

  summons; warrant of arrest

• 勾留状こうりゅうじょう

  detention warrant

• 勾股弦こうこげん

  three sides of right triangle (minor cathetus, major cathetus and hypotenuse)

• 勾股弦の定理こうこげんのていり

  Pythagorean theorem

• 勾配天井こうばいてんじょう

  sloping ceiling

• 勾配消失問題こうばいしょうしつもんだい

  vanishing gradient problem (in machine learning)

• 急勾配きゅうこうばい

  steep slope

• 抜き勾配ぬきこうばい

  draft angle

• 空間勾配くうかんこうばい

  spatial gradient

• 非線形共役勾配法ひせんけいきょうやくこうばいほう

  nonlinear conjugate gradient method

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