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単語 / 【 ID 】 意味 / 例文 /同義語/上位語/下位語/派生語
R SimpleWikiWiktionaryGoogle検索CollinsCambridgeLongmanLongman英和Learners 【 52962 】 【意味】 "[名詞] the 18th letter of the Roman alphabet [例] The letter R is a consonant. [例] He couldn't find the letter R in the alphabet. [意味] アール ; [同義語] r ; [上位語] alphabetic character, letter, letter of the alphabet ; [同義語群] 06833004-n [名詞] (physics) the universal constant in the gas equation: pressure times volume = R times temperature; equal to 8.3143 joules per kelvin per mole [例] R is the universal gas constant. [意味] 気体定数 ; [同義語] gas constant, universal gas constant ; [上位語] constant ; [同義語群] 13590079-n" [名詞] a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air [例] The radiation exposure was measured in R. [例] They measured the radiation exposure in R. [意味] レントゲン ; [同義語] roentgen ; [上位語] radioactivity unit ; [同義語群] 13646031-n
r SimpleWikiWiktionaryGoogle検索CollinsCambridgeLongmanLongman英和Learners 【 52963 】 【意味】 "[名詞] the 18th letter of the Roman alphabet [意味] アール ; [同義語] R ; [上位語] alphabetic character, letter, letter of the alphabet ; [同義語群] 06833004-n [名詞] the length of a line segment between the center and circumference of a circle or sphere [例] The radius of the circle is r. [例] They wanted to find the r of the circle. [意味] 半径, r, ラジウス ; [同義語] radius ; [上位語] length ; [下位語] radius of curvature, semidiameter ; [同義語群] 05102101-n"