4 文書を見つけるための辞書。

• stiffness
• 剛性, 硬直
• the physical property of being inflexible and hard to bend
• 剛直で曲げにくい物理的特性

• stiffening
• 勃起, 固化, 硬化, 硬直
• the act of becoming stiff; "stiffening his shoulders, he prepared to advance"
• 堅くなる行為

• harden, indurate
• 固まる, 固結, 固る, 凝る, 硬変, 硬結, 固化, 硬化, 硬直
• become hard or harder; "The wax hardened"
• 難しくなる、またはより難しくなる

• stiffen
• 硬変, 固くなる, 硬化, 強直, 硬直, 強ばる
• become stiff or stiffer; "He stiffened when he saw his boss enter the room"
• 堅く、またはより堅くなる