infinity

CET-4 FREQ #13025 ★☆☆☆☆

n. 无限大, 无限 [计] 无穷

发音

其它 /ɪnˈfɪnɪti/
US /ɪnˈfɪnɪɾi/

词形变化

infinities 复数 infinities

释义与例句

n.
  1. 1.

    endlessness, unlimitedness, absence of a beginning, end or limits to size.

    无限

    不可数 可数

    concept of infinity

    The desert stretched out toward the horizon as if into infinity.

  2. 2.

    A number that has an infinite numerical value that cannot be counted.

    可数 数学 不可数
  3. 3.

    An idealised point which is said to be approached by sequences of values whose magnitudes increase without bound.

    可数 数学 不可数
  4. 4.

    A number which is very large compared to some characteristic number. For example, in optics, an object which is much further away than the focal length of a lens is said to be "at infinity", as the distance of the image from the lens varies very little as the distance increases further.

    不可数 可数
  5. 5.

    The symbol ∞.

    可数 不可数

词汇关系

名词

同义词 1

eternity

上位词 1

time

下位词 1

alpha and omega

相关短语

infinity pool infinity pools infinity symbols infinity symbol infinity scarf infinity scarves infinity box infinity boxes infinity transmitter [电] 超限发送器 infinity transmitters infinity shot infinity shots infinity sign infinity scarfs infinity theory

词源

From Middle English infinite, from Old French infinité, from Latin īnfīnitās (“unlimitedness”), from negative prefix in- (“not”), + fīnis (“end”), + noun of state suffix -tās.

来源：wiktionary