1.a person related to one by marriage.
2.assigning finite values to finite quantities.
3.of or relating to a transformation that maps parallel lines to parallel lines and finite points to finite points.
1. (maths) of, characterizing, or involving transformations which preserve collinearity, esp in classical geometry, those of translation, rotation and reflection in an axis Word OriginC16, via French from Latin affīnis bordering on, relatedCollins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollinsPublishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Cite This Source
P. vacciniifolium, 6 to to in., is a pretty prostrate subshrubby species, with handsome rose-pink flowers, suitable for rockwork, and prefers boggy soil; P. affine (Brunonis), I ft., deep rose, is a showy border plant, flowering in the late summer; P. cuspidatum, 8 to To ft., is a grand object for planting where a screen is desired, as it suckers abundantly, and its tall spotted stems and handsome cordate leaves have quite a noble appearance.
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