nt; v. kom-pluh-ment]
| 1. | something that completes or makes perfect: A good wine is a complement to a good meal. |
| 2. | the quantity or amount that completes anything: We now have a full complement of packers. |
| 3. | either of two parts or things needed to complete the whole; counterpart. |
| 4. | full quantity or amount; complete allowance. |
| 5. | the full number of officers and crew required on a ship. |
| 6. | Grammar.
|
| 7. | Geometry. the quantity by which an angle or an arc falls short of 90° or a quarter of a circle. Compare supplement (def. 4). |
| 8. | Also called absolute complement. Mathematics. the set of all the elements of a universal set not included in a given set. |
| 9. | Music. the interval that completes an octave when added to a given interval. |
| 10. | Immunology.
|
| 11. | complementary color. |
| 12. | to complete; form a complement to: This belt complements the dress better than that one. |
| 13. | Obsolete. to compliment. |
| 14. | Obsolete. to compliment. |

complement com·ple·ment (kŏm'plə-mənt)
n.
A group of proteins found in normal blood serum and plasma that are activated sequentially in a cascadelike mechanism that allows them to combine with antibodies and destroy pathogenic bacteria and other foreign cells.
complement (kŏm'plə-mənt) Pronunciation Key
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complement logic
The other value or values in the set of possible values.
See logical complement, bitwise complement, set complement.
(1995-01-24)