/muy"neuhs/ , prep.
1. less by the subtraction of; decreased by: Ten minus six is four.
2. lacking or without: a book minus its title page.
adj.
3. involving or noting subtraction.
4. algebraically negative: a minus quantity.
5. less than; just below in quality: to get a C minus on a test.
6. Informal. having negative qualities or characteristics; inferior.
7. Mycol. (in heterothallic fungi) designating, in the absence of morphological differentiation, one of the two strains of mycelia that unite in the sexual process.
n.
8. See minus sign .
9. a minus quantity.
10. a deficiency or loss.
11. Informal. a person or thing with no apparent abilities, usefulness, etc.: The last applicant was a definite minus.
[ 1300-50; ME minor less; see MINOR ]