| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024ra•tio /ˈreɪʃoʊ, -ʃiˌoʊ/USA pronunciation n. [countable], pl. -tios. - Mathematicsthe relation between two numbers or amounts, with respect to the number of times the first contains the second:The ratio of 3 to 9 is the same as the ratio of 1 to 3.
- Mathematicsrate;
proportion:The ratio of acceptances to rejections is very high.
See -ratio-.-ratio-, root. - -ratio- comes from Latin, where it has the meaning "logic;
reason;
judgment.'' This meaning is found in such words as: irrational, overrated, rate, ratify, ratio, ration, rational.
WordReference Random House Unabridged Dictionary of American English © 2024ra•tio (rā′shō, -shē ō′),USA pronunciation n., pl. -tios. - Mathematicsthe relation between two similar magnitudes with respect to the number of times the first contains the second:the ratio of 5 to 2, written 5:2 or 5/2.
- Mathematicsproportional relation;
rate:the ratio between acceptances and rejections. - [Finance.]the relative value of gold and silver in a bimetallic currency system.
- Latin ratiō a reckoning, account, calculation, derivative (see -tion) of the base of rērī to judge, think
- 1630–40
Collins Concise English Dictionary © HarperCollins Publishers:: ratio /ˈreɪʃɪˌəʊ/ n ( pl -tios)- a measure of the relative size of two classes expressible as a proportion: the ratio of boys to girls is 2 to 1
- a quotient of two numbers or quantities
See also proportion
Etymology: 17th Century: from Latin: a reckoning, from rērī to think; see reason |