Definitions for MACROˈmæk roʊ
This page provides all possible meanings and translations of the word MACRO
macro, macro instruction(adj)
a single computer instruction that results in a series of instructions in machine language
very large in scale or scope or capability
A keystroke (or combination of keystrokes) which symbolizes and is replaced by a series of keystrokes; -- a convenient feature of some advanced programs, such as word processors or database programs, which allows a user to rapidly execute any series of operations which may be performed multiple times. Such macros may typically be defined by the program user, without rewriting or recompiling the program.
Origin: [shortened form of macroinstruction]
A comparatively human-friendly abbreviation of complicated input to a computer program.
The pre-processor expands any embedded macros into source code before it is compiled.
A macro in computer science is a rule or pattern that specifies how a certain input sequence should be mapped to a replacement input sequence according to a defined procedure. The mapping process that instantiates a macro use into a specific sequence is known as macro expansion. A facility for writing macros may be provided as part of a software application or as a part of a programming language. In the former case, macros are used to make tasks using the application less repetitive. In the latter case, they are a tool that allows a programmer to enable code reuse or even to design domain-specific languages. Macros are used to make a sequence of computing instructions available to the programmer as a single program statement, making the programming task less tedious and less error-prone. Macros often allow positional or keyword parameters that dictate what the conditional assembler program generates and have been used to create entire programs or program suites according to such variables as operating system, platform or other factors. The term derives from "macro instruction", and such expansions were originally used in generating assembly language code.
The New Hacker's Dictionary
[techspeak] A name (possibly followed by a formal arg list) that is equated to a text or symbolic expression to which it is to be expanded (possibly with the substitution of actual arguments) by a macro expander. This definition can be found in any technical dictionary; what those won't tell you is how the hackish connotations of the term have changed over time.The term macro originated in early assemblers, which encouraged the use of macros as a structuring and information-hiding device. During the early 1970s, macro assemblers became ubiquitous, and sometimes quite as powerful and expensive as HLLs, only to fall from favor as improving compiler technology marginalized assembler programming (see languages of choice). Nowadays the term is most often used in connection with the C preprocessor, LISP, or one of several special-purpose languages built around a macro-expansion facility (such as TeX or Unix's [nt]roff suite).Indeed, the meaning has drifted enough that the collective macros is now sometimes used for code in any special-purpose application control language (whether or not the language is actually translated by text expansion), and for macro-like entities such as the keyboard macros supported in some text editors (and PC TSR or Macintosh INIT/CDEV keyboard enhancers).
Large. Opposite of micro-. In the mainstream and among other technical cultures (for example, medical people) this competes with the prefix mega-, but hackers tend to restrict the latter to quantification.
Sample Sentences & Example Usage
This is not a macro economic commentary on air travel demand.
The macro-economic figures had a small net impact on the market.
People are a little nervous because the macro signals are so mixed.
If we see an improvement in the macro conditions, then we will go more overweight.
I thought we did remarkably well especially given some of the macro trends that were going on.
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