Dictionary definitions
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nonself
From The Collaborative International Dictionary of English v.0.48:
nonself \non"self`\, n.
1. That which is not oneself.
[PJC]
2. (Immunology) Any material that enters the body and is not
recognized by the immune system as being part of its body,
thereby triggering an immune response; any material
appearing to the immune system to be foreign to its body.
[PJC]
