WordReference Random House Unabridged Dictionary of American English © 2025
ex•ple•ment
(ek′splə mənt),USA pronunciation n. [Math.]
ex•ple•men•tal
(ek′splə men′tl),USA pronunciation ex•ple•men•ta•ry
(ek′splə men′tə rē, -trē),USA pronunciation adj.
- Mathematicsthe quantity by which an angle or an arc falls short of 360° or a circle.
- Latin explēmentum that which fills up, equivalent. to explē(re) to fill (ex- ex-1 + plēre to fill) + -mentum -ment
- 1585–95;
'explement' also found in these entries (note: many are not synonyms or translations):