| 单词 | ultra- |
| 释义 | ultra- 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). [ < L ultra (adv. and prep.) on the far side (of), beyond, deriv. of *ult(e)r- located beyond] |
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