just-in-time compiler; JIT compiler
Computing term for a compiler that translates code at runtime, often used in virtual machines like the JVM or .NET CLR.
See also: JITコンパイラ (ジェーアイティーコンパイラ)
The Java Virtual Machine uses a just-in-time compiler to convert bytecode into native code.
Spelling with interpuncts, sometimes used for clarity.
Loanword from English 'just-in-time compiler', adapted into katakana.