Enter a clue or pattern or both:
The Clue
M.I.T., R.P.I., et al. (5 letter answer)
The Answer
INSTS
Tags
Notes
The answer INSTS is rarely seen, appearing only about once every 2100 puzzles.
Related Clues
Schools for engrs.
Sci. facilities
R&D locales: Abbr.
Research facilities: Abbr.