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Definition of "infinity" []

  • The quality or condition of being infinite. (noun)
  • Unbounded space, time, or quantity. (noun)
  • An indefinitely large number or amount. (noun)
  • Mathematics The limit that a function ∫ is said to approach at x = a when ∫(x) is larger than any preassigned number for all x sufficiently near a. (noun)
  • A range in relation to an optical system, such as a camera lens, representing distances great enough that light rays reflected from objects within the range may be regarded as parallel. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "infinity" in a sentence
  • "So what I’m wondering is, does this mean that from the point of view of Schwarzschild coordinates, the object is behaving like a white hole from Schwarzschild time - infinity to 0, and then behaving like a black hole from Schwarzschild time 0 to +infinity?"
  • "Like the concepts of quantity, limit, boundary, the term infinity applies primarily to space and time, but not exclusively, as"
  • "While Dad hid in the back of the house all night, I laid awake on the living room couch next to the hospital bed, like summers when I was a kid and used to float on my back in the pool, trying to make sense of stars, and the uneasy feeling I got from the word infinity."