APPROXIMA'TION, noun 1. Approach; a drawing, moving or advancing near. 2. In arithmetic and algebra, a continual approach or coming nearer and nearer to a root or other quantity, without being able perhaps ever to arrive at it. 3. In medicine, communication of disease by contact. 4. A mode of cure by transplanting a disease into an animal or vegetable by immediate contact.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI