| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024lim•it /ˈlɪmɪt/USA pronunciation n. [countable]- the furthest boundary, point, or edge of the extent or amount of something:had reached the limit of their endurance.
- Informal Terms the limit, [singular]something very annoying or amazing:Their weird stunts are the limit!
v. [~ + object] - to restrict by or as if by limits:to limit spending.
lim•it•er, n. [countable] lim•it•less, adj. See -lim-. WordReference Random House Unabridged Dictionary of American English © 2024lim•it (lim′it),USA pronunciation n. - the final, utmost, or furthest boundary or point as to extent, amount, continuance, procedure, etc.:the limit of his experience; the limit of vision.
- a boundary or bound, as of a country, area, or district.
- [Math.]
- Mathematicsa number such that the value of a given function remains arbitrarily close to this number when the independent variable is sufficiently close to a specified point or is sufficiently large. The limit of 1/x is zero as x approaches infinity;
the limit of (x - 1)2 is zero as x approaches 1. - Mathematicsa number such that the absolute value of the difference between terms of a given sequence and the number approaches zero as the index of the terms increases to infinity.
- Mathematicsone of two numbers affixed to the integration symbol for a definite integral, indicating the interval or region over which the integration is taking place and substituted in a primitive, if one exists, to evaluate the integral.
- limits, the premises or region enclosed within boundaries:We found them on school limits after hours.
- Gamesthe maximum sum by which a bet may be raised at any one time.
- Informal Terms the limit, something or someone that exasperates, delights, etc., to an extreme degree:You have made errors before, but this is the limit.
v.t. - to restrict by or as if by establishing limits (usually fol. by to):Please limit answers to 25 words.
- to confine or keep within limits:to limit expenditures.
- Lawto fix or assign definitely or specifically.
- Latin līmit- (stem of līmes) boundary, path between fields
- Middle English lymyt 1325–75
- 2.See corresponding entry in Unabridged confine, frontier, border.
- 8.See corresponding entry in Unabridged restrain, bound.
Collins Concise English Dictionary © HarperCollins Publishers:: limit /ˈlɪmɪt/ n - (sometimes plural) the ultimate extent, degree, or amount of something: the limit of endurance
- (often plural) the boundary or edge of a specific area: the city limits
- (often plural) the area of premises within specific boundaries
- the largest quantity or amount allowed
- a value to which a function f(x) approaches as closely as desired as the independent variable approaches a specified value (x = a) or approaches infinity
- a value to which a sequence an approaches arbitrarily close as n approaches infinity
- the limit of a sequence of partial sums of a convergent infinite series: the limit of 1 + ½ + ¼ + ⅛ + … is 2
- one of the two specified values between which a definite integral is evaluated
- the limit ⇒ informal a person or thing that is intolerably exasperating
vb ( -its, -iting, -ited)(transitive)- to restrict or confine, as to area, extent, time, etc
Etymology: 14th Century: from Latin līmes boundaryˈlimitable adj ˈlimitableness n ˈlimitless adj ˈlimitlessly adv ˈlimitlessness n |