defective virus one that cannot be completely replicated or cannot form a protein coat; in some cases replication can proceed if missing gene functions are supplied by other viruses; see also helper virus.
subjugate - put down by force or intimidation; The government quashes any attempt of an uprising; China keeps down her dissidents very efficiently; The rich landowners subjugated the peasants working the land
conjugate. ( 1 of two points, lines, etc.) so related as to be interchangeable in the enunciation of certain properties. ( 2 of an element) so related to a second element of a group that there exists a third element of the group that, multiplying one element on the right and the other element on the left, results in equal elements.