also: スレット
In computing, a sequence of instructions that can be managed independently by a scheduler.
このプログラムはマルチスレッドに対応している。
This program supports multi-threading.
I started a new thread about a new topic.
thread (online); topic; conversation
On internet forums, mailing lists, or social media, a series of messages on a single topic.
そのスレッドにはたくさんの返信がついた。
That thread got a lot of replies.
その話題のスレッドはすごく伸びた。
That topic's thread grew really long.
It caught my interest, so I posted in the thread.
The program spawns multiple threads for processing.
I hadn't checked in a while, and the thread had already dropped off.
プロセス (process) is a whole running program with its own memory space, whereas a スレッド (thread) is a smaller unit of execution that can share memory within a process.
スレ is a casual, shortened slang form of スレッド used mainly in online forum culture, while スレッド is the fuller, more neutral term.
Borrowed from English 'thread'.