a conflict of opposed ideas or attitudes or goals; "a collision of interests"
an accident resulting from violent impact of a moving object; "three passengers were killed in the collision"; "the collision of the two ships resulted in a serious oil spill"
(physics) an brief event in which two or more bodies come together; "the collision of the particles resulted in an exchange of energy and a change of direction"
the act of attaining or gaining access to a new office or right or position (especially the throne); "Elizabeth's accession in 1558"
agreeing with or consenting to (often unwillingly); "accession to such demands would set a dangerous precedent"; "assenting to the Congressional determination"
something added to what you already have; "the librarian shelved the new accessions"; "he was a new addition to the staff"
(civil law) the right to all of that which your property produces whether by growth or improvement
a process of increasing by addition (as to a collection or group); "the art collection grew through accession"
make a record of additions to a collection, such as a library