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general::
noun endless space/time VERB + INFINITY extend into/to, stretch into/to Theoretically, a line can extend into infinity. PREP. at ~ Parallel lines meet at infinity. | into ~ In this weather the cliff face was a foggy drop into infinity. number larger than any other VERB + INFINITY approach, tend to/towards As x approaches infinity y approaches zero. PREP. at ~ The usual convention is to choose the reference point at infinity.
Oxford Collocations Dictionary