| 释义 |
extra-
extra-(word root) outside, externalExamples of words with the root extra-: extracurricularextra- or extro-pref. Outside; beyond: extraterritorial.
[Latin extrā-, from extrā; see eghs in Indo-European roots.]extra- prefix outside or beyond an area or scope: extrasensory; extraterritorial. [from Latin extrā outside, beyond, changed from extera, from exterus outward]ex•tra (ˈɛk strə)
adj., n., pl. -tras,
adv. adj. 1. beyond or more than what is usual, expected, or necessary; additional: Make an extra copy. 2. superior to the usual: extra comfort. 3. provided at an additional charge: Home delivery is extra. n. 4. an additional feature. 5. an additional expense or charge. 6. a special edition of a newspaper. 7. an additional worker, esp. a person hired by the day to appear in the background action of a film. 8. something of superior quality. adv. 9. in excess of the usual amount, size, or degree: extra tall. [1770–80; shortening of extraordinary, later influenced by extra-] extra- a prefix meaning “outside of,” “beyond the bounds of”: extragalactic; extralegal; extrasensory. [< Latin, prefixal use of extrā (adv. and preposition) outside (of), without] Translationsextra-
extra- word element [L.], outside; beyond the scope of; in addition.ex·tra- (eks'tră), Without, outside of. [L.] extra- Prefix meaning without, outside of. [L.]extra- Prefix denoting outside, beyond, additional.extra- prefix denoting outside.LegalSeeExtra |