Word

屈折軸

くっせつじく
axis of refraction
Word

屈折望遠鏡

くっせつぼうえんきょう
refracting telescope
Word

屈折率

くっせつりつ
refractive index
Word

腰折れ

腰折
こしおれ
bad poem; my humble poem; stooped over (e.g. old people); bowed; stalling; having a relapse
Word

骨折る

ほねおる
to exert oneself greatly; to take pains
Word

骨が折れる

v1
ほねがおれる
to require much effort; to be hard to do; to have one's bones broken
Word

骨を折る

ほねをおる
to make efforts; to take pains; to break one's bone
Word

骨折り

ほねおり
travail; exertion; service; labour (labor); ado
Word

骨折り損

ほねおりぞん
waste of labor or energy; waste of labour; vain effort
Word

曲折

きょくせつ
windings; meanderings; complications; twists and turns