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请输入英文单字,中文词皆可:

define    音标拼音: [dɪf'ɑɪn]
vt. 定义,解释,下定义,限定,规定

定义,解释,下定义,限定,规定

define
界定; 设定


define
预先定义的

define
定义

define
v 1: determine the essential quality of [synonym: {specify},
{define}, {delineate}, {delimit}, {delimitate}]
2: give a definition for the meaning of a word; "Define
`sadness'"
3: determine the nature of; "What defines a good wine?"
4: show the form or outline of; "The tree was clearly defined by
the light"; "The camera could define the smallest object"
[synonym: {define}, {delineate}]
5: decide upon or fix definitely; "fix the variables"; "specify
the parameters" [synonym: {specify}, {set}, {determine},
{define}, {fix}, {limit}]

Define \De*fine"\, v. t. [imp. & p. p. {Defined}; p. pr. & vb.
n. {Defining}.] [OE. definer, usually, to end, to finish, F.
d['e]finir to define, L. definire to limit, define; de-
finire to limit, end, finis boundary, limit, end. See
{Final}, {Finish}.]
1. To fix the bounds of; to bring to a termination; to end.
"To define controversies." --Barrow.
[1913 Webster]

2. To determine or clearly exhibit the boundaries of; to mark
the limits of; as, to define the extent of a kingdom or
country.
[1913 Webster]

3. To determine with precision; to mark out with
distinctness; to ascertain or exhibit clearly; as, the
defining power of an optical instrument.
[1913 Webster]

Rings . . . very distinct and well defined. --Sir I.
Newton.
[1913 Webster]

4. To determine the precise signification of; to fix the
meaning of; to describe accurately; to explain; to expound
or interpret; as, to define a word, a phrase, or a
scientific term.
[1913 Webster]

They define virtue to be life ordered according to
nature. --Robynson
(More's
Utopia).
[1913 Webster]


Define \De*fine"\, v. i.
To determine; to decide. [Obs.]
[1913 Webster]

159 Moby Thesaurus words for "define":
assign, baptize, be characteristic, bed, blaze, blaze a trail,
blemish, blotch, bound, brand, call, chalk, chalk up, characterize,
check, check off, christen, cicatrize, circle in, circumscribe,
clarify, confirm, construe, dapple, dash, deep-dye, delimit,
delimitate, delineate, demarcate, denominate, describe, designate,
detail, determine, diagnose, differentiate, discolor, distinguish,
dot, dub, earmark, edge, embed, enclose, engraft, engrave, entitle,
entrench, establish, etch, explain, expound, fix, fleck, found,
freckle, gash, ground, hatch, hem, identify, impact, implant,
impress, imprint, infix, ingrain, inscribe, interpret, jam,
keynote, label, lay down, lay off, limit, line, lodge, make a mark,
margin, mark, mark boundaries, mark off, mark out,
mark the periphery, mottle, name, nick, nickname, nominate, notch,
outline, pack, pencil, pepper, plant, point, prick, print, punch,
punctuate, puncture, read, read into, riddle, rim, root, rope off,
scar, scarify, score, scotch, scratch, seal, seam, seat, set,
set apart, set down, set in, set the limit, set the pace,
set the tone, settle, skirt, sound the keynote, specify, speck,
speckle, spell out, splotch, spot, stain, stake out, stamp, state,
stereotype, stigmatize, streak, striate, stripe, style, surround,
tag, take, take it that, take to mean, tattoo, term, tick,
tick off, title, trace, underline, underscore, understand,
understand by, verge, wedge


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  • c++ - Why use #define instead of a variable - Stack Overflow
    What is the point of #define in C++? I've only seen examples where it's used in place of a "magic number" but I don't see the point in just giving that value to a variable instead
  • How can I define a define in C? - Stack Overflow
    The question is if users can define new macros in a macro, not if they can use macros in macros
  • c++ - What does ## in a #define mean? - Stack Overflow
    In other words, when the compiler starts building your code, no #define statements or anything like that is left A good way to understand what the preprocessor does to your code is to get hold of the preprocessed output and look at it
  • How can I use #if inside #define in the C preprocessor?
    How can I use #if inside #define in the C preprocessor? Ask Question Asked 15 years, 10 months ago Modified 11 months ago
  • Is it possible to use a if statement inside #define?
    As far as I know, what you're trying to do (use if statement and then return a value from a macro) isn't possible in ISO C but it is somewhat possible with statement expressions (GNU extension) Since #define s are essentially just fancy text find-and-replace, you have to be really careful about how they're expanded I've found that this works on gcc and clang by default:
  • c - #Define VS Variable - Stack Overflow
    #define WIDTH 10 is a preprocessor directive that allows you to specify a name (WIDTH) and its replacement text (10) The preprocessor parses the source file and each occurrence of the name is replaced by its associated text
  • c++ - static const vs. #define - Stack Overflow
    Is it better to use static const variables than #define preprocessor? Or does it maybe depend on the context? What are advantages disadvantages for each method?
  • What is the difference between #define and const? [duplicate]
    The #define directive is a preprocessor directive; the preprocessor replaces those macros by their body before the compiler even sees it Think of it as an automatic search and replace of your source code A const variable declaration declares an actual variable in the language, which you can use well, like a real variable: take its address, pass it around, use it, cast convert it, etc Oh
  • Difference between `constexpr` and `#define` - Stack Overflow
    So I read the interesting answers about what are the differences between constexpr and const but I was curious about are the differences between #define and constexpr ? I feel like constexpr is jus





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