Math-test unit: Abbr. (4 letters) — Crossword Helper

Enter a clue or pattern or both:

The Clue

Math-test unit: Abbr. (4 letter answer)

The Answer

PROB

Tags

abbr cake easy likely math ok piece prob reassuring reply slangy test unit word

Notes

The answer PROB is rarely seen, appearing only about once every 1200 puzzles.

Related Clues

"No ___!"
Likely: Abbr.
"No ___!" ("Easy!")
"No ___" ("Piece of cake")
"No ___" (reassuring words)
"No ___!" (slangy O.K.)
"No ___!" (slangy reply)