| 释义 |
in·fin·i·ty
\ə̇nˈfinəd.ē, -ətē, -i\ noun
(-es)
Etymology: Middle English infinite, from Middle French infinité, from Latin infinitat-, infinitas, from infinitus infinite + -itas -ity
1.
a. : the quality of being infinite
b. : that which is infinite : unlimited extent of time, space, or quantity : boundlessness
< there cannot be more infinities than one; for one of them would limit the other — Walter Raleigh >
2. : unlimited capacity, energy, excellence, or knowledge
< infinity of God's power >
3. : an indefinitely great number or amount
< infinity of stars >
4.
a. : a nonexistent limit of a function that can be made to become and remain numerically larger than any preassigned value — symbol ∞
b. : a nonexistent part of a magnitude that lies beyond any part whose distance from a given reference position is finite — symbol ∞
c. : a transfinite number
5. : a distance so great that the rays of light from a point source at that distance may be regarded as parallel |