| 释义 |
Collins Concise English Dictionary © HarperCollins Publishers:: ultra- prefix - beyond or surpassing a specified extent, range, or limit: ultramicroscopic
- extreme or extremely: ultramodern
Etymology: from Latin ultrā beyond; see ultra ul•tra /ˈʌltrə/USA pronunciation adj. - going beyond what is usual or ordinary;
excessive;
extreme.
See -ult-.ultra-, prefix. - ultra- comes from Latin, where it has the meaning "located beyond, on the far side of:''ultraviolet.
- ultra- is also used to mean "carrying to the furthest degree possible, on the fringe of:''ultraleft; ultramodern.
- ultra- is also used to mean "extremely:'' ultralight.
- ultra- is also used to mean "going beyond normal or customary bounds or limits:''ultramicroscope;ultrasound;ultrastructure.
WordReference Random House Unabridged Dictionary of American English © 2024ul•tra (ul′trə),USA pronunciation adj. - going beyond what is usual or ordinary;
excessive;
extreme.
n. - an extremist, as in politics, religion, fashion, etc.
- Military, British Terms(cap.) the British code name for intelligence gathered by decrypting German wireless communications enciphered on the Enigma machine during World War II.
- independent use of ultra-, or shortening of words prefixed with it
- a prefix occurring originally in loanwords from Latin, with the basic meaning "on the far side of, beyond.'' In relation to the base to which it is prefixed, ultra- has the senses "located beyond, on the far side of '' (ultramontane;
ultraviolet), "carrying to the furthest degree possible, on the fringe of '' (ultraleft;
ultramodern), "extremely'' (ultralight);
nouns to which it is added denote, in general, objects, properties, phenomena, etc., that surpass customary norms, or instruments designed to produce or deal with such things (ultramicroscope;
ultrasound;
ultrastructure).
- Latin ultrā (adverb, adverbial and preposition) on the far side (of ), beyond, derivative of *ult(e)r- located beyond
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