n]
| 1. | the act or fact of interposing or the condition of being interposed. |
| 2. | something interposed. |
| 3. | the doctrine that an individual state of the U.S. may oppose any federal action it believes encroaches on its sovereignty. |

in·ter·pose (ĭn'tər-pōz') v. in·ter·posed, in·ter·pos·ing, in·ter·pos·es v. tr.
[French, from Old French interposer, to intervene, alteration (influenced by poser, to put, place) of Latin interpōnere, to put between : inter-, inter- + pōnere, to put; see apo- in Indo-European roots.] in'ter·pos'al n., in'ter·pos'er n., in'ter·po·si'tion (-pə-zĭsh'ən) n. |