a secondary or subordinate system.
adjective 1. below the surface, especially of a body of water. noun 1. the layer just below the surface of water, the earth, etc
adjective 1. below the surface, especially of a body of water.
noun 1. an act of subsuming. 2. the state of being subsumed. 3. something that is subsumed. 4. a proposition subsumed under another. noun 1. the act of subsuming or the state of being subsumed
noun 1. a subdivision of a zone.