TSR

American  

noun

plural

TSRs, TSR's

1. a computer program with any of several ancillary functions, usually held resident in RAM for instant activation while one is using another program.

---

Etymology

Origin of TSR

t(erminate and) s(tay) r(esident)

Example Sentences

As part of the study, the researchers determined Salmonella has a special protein receptor called Tsr that enables bacteria to sense and swim toward serum.

From Science Daily

She spent years doing freelance art and design work for RPG publishers before she began working for TSR full time in the 1990s.

From New York Times

Ms. Jaquays eventually worked with gaming friends to produce The Dungeoneer, a fanzine of D&D content for which she secured permission from TSR, the company that published the game.

From New York Times

TSR, Inc., down 90 cents to $7.86.

From Seattle Times

Profits from TSR’s D&D tie-in novels kept the company afloat, even as the RPG department was reduced to a skeleton crew.

From Washington Post