单词 | e |
释义 | Word Frequency e or E (iː) nounWord forms: plural e's, E's or Es 1. the fifth letter and second vowel of the modern English alphabet 2. any of several speech sounds represented by this letter, in English as in he, bet, or below Word Frequency esymbol for 1. mathematics a transcendental number, fundamental to mathematics, that is the limit of (1 + 1 /n)n as n increases to infinity: used as the base of natural logarithms. Approximate value: 2.718 282…; relation to π: eπi = –1, where i = √–1 2. electron 3. chess algebraic notation Word Frequency Esymbol for 1. earth 2. East 3. English 4. Egypt (ian) 5. exa- 6. music a. a note having a frequency of 329.63 hertz (E above middle C) or this value multiplied or divided by any power of 2; the third note of the scale of C major b. a key, string, or pipe producing this note c. the major or minor key having this note as its tonic 7. physics a. energy b. electric field strength c. electromotive force d. Young's modulus (of elasticity) 8. logic a universal negative categorical proposition, such as no pigs can fly: often symbolized as SeP Compare A, I2, O19. a. a person without a regular income, or who is dependent on the state on a long-term basis because of unemployment, sickness, old age, etc b. (as modifier) E worker See also occupation groupings abbreviation for 10. Spain (international car registration) 11. informal the drug ecstasy Word origin (sense 8) from Latin (n)e(go) I denyWord origin (sense 10) from Spanish EspañaWord Frequency E.abbreviation for Earl Word Frequency e- 1prefix forming verbs and verbalderivatives 1. out eviscerate egest 2. away elapse elongate 3. outside evaginate 4. completely evaporate 5. without ebracteate Word origin from Latin ē away; related to ex-1Word Frequency e- 2prefix electronic, indicating the involvement of the internet e-business e-money Word Frequency E-prefix used with numbers indicating a standardized system within the European Union, as of recognized food additives or standard pack sizes See also E number |
随便看 |
英语词典包含233703条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。