意味(日本語)

反抗的な、手におえない、加工しにくい、耐火性の

語源

• fra(n)g-, -frong-, fract- : L.frangere = to break(こわす), 過去分詞fractus

意味(英語)

• (adjective) Obstinately resistant to authority or control. See Synonyms at unruly.
• (adjective) Difficult to melt or work; resistant to heat: a refractory material such as silica.
• (adjective) Resistant to treatment: a refractory case of acne.
• (noun) One that is refractory.
• (noun) Material that has a high melting point.

例文

• For the purpose of this book the term refractory will cover clays and materials that are suitable to be used in a potter's kiln fired up to

(光線などを)屈折させる

語源

• fra(n)g-, -frong-, fract- : L.frangere = to break(こわす), 過去分詞fractus

(光線などの)屈折、屈折作用

語源

• fra(n)g-, -frong-, fract- : L.frangere = to break(こわす), 過去分詞fractus

反復句 ◇re(＝back) ＝ こわし戻す → 元にもどる

語源

• fra(n)g-, -frong-, fract- : L.frangere = to break(こわす), 過去分詞fractus

やめる、遠慮する、(馬のたづなを引き戻す)

語源

• fra(n)g-, -frong-, fract- : L.frangere = to break(こわす), 過去分詞fractus