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BNC: 11713 COCA: 11224

infinity

1 ENTRIES FOUND:
infinity /ɪnˈfɪnəti/ noun
infinity
/ɪnˈfɪnəti/
noun
Learner's definition of INFINITY
1 
[noncount]
a  : the quality of having no limits or end : the quality of being infinite无限；无穷
b  : a space, amount, or period of time that has no limits or end无限空间；无穷数量；无限时间
2 
[singular] : a very great number or amount无限大的数量
BNC: 11713 COCA: 11224

infinity

noun

in·​fin·​i·​ty in-ˈfi-nə-tē How to pronounce infinity (audio)
plural infinities
1
a
: the quality of being infinite
b
: unlimited extent of time, space, or quantity : boundlessness
2
: an indefinitely great number or amount
an infinity of stars
3
a
: the limit of the value of a function or variable when it tends to become numerically larger than any preassigned finite number
b
: a part of a geometric magnitude that lies beyond any part whose distance from a given reference position is finite
do parallel lines ever meet if they extend to infinity
c
: a transfinite number (such as aleph-null)
4
: a distance so great that the rays of light from a point source at that distance may be regarded as parallel

Synonyms

Example Sentences

The view tapers off into infinity. a series of numbers that continues to infinity The night sky was filled with an infinity of stars.
Recent Examples on the Web Amenities include infinity-edge pools, a state-of-the-art theater and a fur coat storage facility to protect garments from Miami's humidity. CBS News, 1 Sep. 2022 With indoor and outdoor living areas, the villa includes a heated infinity-edge pool, an open-air shower, an indoor garden, an outside kitchen and a chef. Emily Longeretta, Variety, 20 Aug. 2022 An infinity-edge pool is also equipped with fire features. Libertina Brandt, WSJ, 18 Aug. 2022 The home is anchored on its lower level by a massive infinity-edge pool that is elegantly split in half by a bijoux bridge with one side literally lagoon-like. Dckaufman, Robb Report, 10 Aug. 2022 The resort also has an infinity-edge pool overlooking the water that is more than twice the size of the average Olympic-sized pool. Ramsey Qubein, Forbes, 10 July 2022 An infinity-edge pool is perched at the edge of the property, taking in views of the canyons below. Jack Flemming, Los Angeles Times, 7 July 2022 Top Gun: Maverick continued to soar to infinity and beyond. Scott Mendelson, Forbes, 2 July 2022 Lightyear is struggling to soar to infinity and beyond. Brendan Morrow, The Week, 27 June 2022 See More

Word History

Etymology

Middle English infinite, borrowed from Anglo-French infinité, borrowed from Latin infīnitāt-, infīnitās, from in- in- entry 1 + fīnis "boundary, limit, terminal point, ending" + -itāt-, -itās -ity — more at final entry 1

First Known Use

14th century, in the meaning defined at sense 1a

Time Traveler
The first known use of infinity was in the 14th century

Phrases Containing infinity
BNC: 11713 COCA: 11224
infinity

noun¹

 1endless space/time無限的空間或時間VERB + INFINITY | PREPOSITION VERB + INFINITY➤extend into, extend to, stretch into, stretch to擴展至無窮；伸展至無窮◇Theoretically, a line can extend into infinity.理論上直線可以無限延伸。PREPOSITION➤at infinity在無窮遠處◇Parallel lines appear to meet at infinity.平行線似乎在無限遠處相交。➤into infinity進入無垠的空間◇He could have jumped off the cliff into infinity.他本來有可能跳下懸崖進入廣漠無限之中。
infinity

noun²

 2number larger than any other無限大的數VERB + INFINITY | PREPOSITION VERB + INFINITY➤approach, tend to, tend towards/toward接近無窮大；趨向於無窮大◇As x approaches infinity, y approaches zero.當 x 值趨向無窮大時，y 值趨近於 0.PREPOSITION➤at infinity在無窮大處◇The usual convention is to choose the reference point at infinity.通常的做法是在無窮大處取一個參照點。

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