率

りつ
rate
ratio
proportion
percentage

* * *

りつ【率】

*rate

〖C〗割合， (比)率， 歩合

He stipulated that he (《主に英》should) be paid at the reasonable rate. 妥当な率でお金が支払われるよう彼は要求した

a drop in the birth ［death］ rate 出生［死亡］率の減少

an economic growth rate 経済成長率

a survival rate (術後の)生存率.

*proportion

〖U〗〖C〗(大きさ・数の)割合; ［the ～ of O₁ to O₂］ O₁(人・物)とO₂(人・物)との比率

in the proportion of one to three 1対3の率で.

*percentage

/pərséntidʒ/ 〖U〗〖C〗［通例単数形で］ 百分率， パーセンテージ

in percentage terms 率で言えば.

*index

(複indices) 〖C〗〔数〕指数， (対数の)指標， 率

the refractive index (光の)屈折率.

▲diseases with a high degree of fatality 死亡率の高い病気

a high incidence of death from pneumonia 肺炎の高死亡率.

* * *

りつ【率】

〔割合〕 a rate; 〔比率〕 a proportion; 〔確率･可能性〕 (a) probability; (a) possibility; 〔百分率〕 (a) percentage; 〔物価･賃金･課税の〕 a scale; 【物】 a modulus 《pl. -li》; an index; a coefficient; a constant. <▲> 【物】では 屈折率 (refractive index), 誘電率 (dielectric constant) などの言い方のほか, 反射率 (reflectivity) のように接尾辞 -ity を使う例も多い.

●高い[低い]率 a high [low] percentage [rate]; a great [small] percentage.

●率がよい[悪い] show a good [poor] rate

・今年は一般に賞与の率がよかった. Generally speaking, the bonus for this year was at a higher rate than usual.

●高い率で at a high rate

・…の率で at the rate of…; on a percentage of…; by a factor of…

・この病気は 1,000 人に 1 人の率で発症する. This disease affects people at a [the] rate of 1 in 1,000. | This disease affects 1 in 1,000 people.

●低い率に抑える keep 《bank interest》 at a low rate.

●率のいい[悪い] efficient [inefficient]

・率のいい仕事 a well-paid job; a highly profitable business.

●この国では少年による犯罪がかなり高い率を示している. The rate of juvenile crime in this country is very high.

・率を定める fix the rate; designate the percentage

・率を上げる[下げる] raise [lower] the rate.

合格率 the ratio of successful applicants; the (examination) pass rate.

出生率 ⇒しゅっしょうりつ.

税率 ⇒ぜいりつ.

割引率 a discount rate.