Usually means: Instruction code for computer operation.
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We found 11 dictionaries that define the word opcode:

General (5 matching dictionaries)
  1. opcode: Collins English Dictionary
  2. Opcode, opcode: Wordnik
  3. opcode: Wiktionary
  4. OPCODE: Dictionary.com
  5. Opcode: Wikipedia, the Free Encyclopedia

Computing (4 matching dictionaries)
  1. Opcode: Webster's New World Hacker Dictionary
  2. BABEL: Computer Oriented Abbreviations and Acronyms (No longer online)
  3. Webopedia (No longer online)
  4. Opcode (programming), opcode: Encyclopedia

Miscellaneous (1 matching dictionary)
  1. OPCODE: Acronym Finder

Tech (1 matching dictionary)
  1. Sweetwater Music (No longer online)

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Definitions from Wiktionary (opcode)

▸ noun:  (computing) A mnemonic used to refer to a microprocessor instruction in assembly language.

Similar:
mnemonic, instruction set, microinstruction, machine instruction, instruction, index register, program counter, microprogram, assembly, subinstruction, more...

Opposite:
operand, data, input

Phrases:
Illegal opcode, Opcode Systems, Opcode table, more...

Adjectives:
bit, byte, next, illegal, primary, major, new, invalid, same, single, minor

▸ Words similar to opcode

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Similar:
mnemonic, instruction set, microinstruction, machine instruction, instruction, index register, program counter, microprogram, assembly, subinstruction, more...

Opposite:
operand, data, input

Phrases:
Illegal opcode, Opcode Systems, Opcode table, more...

Adjectives:
bit, byte, next, illegal, primary, major, new, invalid, same, single, minor



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