noun
shared variable
Technical computing term for a variable accessible by multiple processes or threads.
マルチスレッドプログラムでは、共用変数へのアクセスを同期する必要がある。
In multithreaded programs, access to shared variables must be synchronized.
A global variable is accessible throughout the entire program, while a shared variable is specifically shared between concurrent processes or threads.
Compound of 共用 (shared use) and 変数 (variable).