[uh-nahy-uh-ley-ter] 
| 1. | a person or thing that annihilates. |
| 2. | Mathematics. the set of all linear functionals that map to zero all elements of a given subset of a vector space. |
| an·ni·hi·late (ə-nī'ə-lāt') v. an·ni·hi·lat·ed, an·ni·hi·lat·ing, an·ni·hi·lates v. tr.
To participate in annihilation, as an electron and a positron do. [Late Latin annihilāre, annihilāt- : Latin ad-, ad- + Latin nihil, nothing; see ne in Indo-European roots.] an·ni'hi·la·bil'i·ty (-lə-bĭl'ĭ-tē) n., an·ni'hi·la·ble (-lə-bəl) adj., an·ni'hi·la'tor n. |
əˌleɪ