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单词 e
释义

e

symbol
  1. The base of the natural system of logarithms (see Napierian) (mathematics)
  2. The eccentricity of a conic section (mathematics)
  3. An electron (chem)

Ē

symbol

(medieval Roman numeral) 250000

E

symbol
  1. (as a medieval Roman numeral) 250
  2. Electric field strength
  3. Electromotive force
  4. Energy

E

abbrev
  1. Earl
  2. Earth
  3. East
  4. Eastern
  5. Ecstasy, the drug (informal)
  6. (also e) electronic, esp as over the Internet, as in e-mail, e-trading, e-economy
  7. English
  8. European (as in E number)
  9. Exa-
  10. Spain (ie España; IVR)

e-cigarette or e-cig noun

See separate entry

e-banking noun see separate entry.

e-book noun see separate entry.

e-business noun see separate entry.

e-card noun see separate entry.

E. coli see Escherichia coli under Escherichia

e-commerce noun see separate entry.

e-economy noun see separate entry.

Eˈ-fit® noun

A form of identikit, the image being composed on screen and adjustable by fine degrees

e-journal noun see separate entry.

E-layer or E-region see Kennelly-Heaviside layer

e-learning noun see separate entry.

email or e-mail noun see separate entry.

e-nose noun see separate entry.

E number noun

An identification code required by EU law for food additives such as colourings and preservatives, consisting of the letter E followed by a number

e-ticket noun see separate entry.

e-waste noun see separate entry.

E or e /ē/

noun
  1. The fifth letter in the modern English alphabet as in the Roman, with various sounds, as in me, get, England, her, prey, and often mute, commonly indicating a preceding long vowel or diphthong: cf not, note
  2. Bit, bite
  3. The third note of the diatonic scale of C major (music)
  4. The key or scale having that note for its tonic (music)
  5. In hexadecimal notation, 14 (decimal) or 1110 (binary)
  6. In advertising and marketing, a person who has no regular income or who is dependent on state benefit
  7. A tablet of the drug Ecstasy (informal)
  8. Anything shaped like the letter E
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更新时间:2024/11/14 19:21:30