geometrical ratio
/ˌdʒiːəˌmɛtrɪkl ˈreɪʃɪəʊ/ /dʒɪəˌmɛtrɪkl ˈreɪʃɪəʊ/Mathematics
noun
1The relation between two magnitudes as determined by the number of times that one contains the other. Contrasted with arithmetical ratio.
- Now usually called simply ratio..
2A manner or mode of change in which successive quantities form a geometric progression; a geometric progression.
- Used especially with allusion to Thomas Malthus and his work on the rate of increase of populations..
Origin
Early 18th century. From geometrical + ratio, after classical Latin geometrica ratio (2nd cent. a.d.), earlier in plural, geometricae rationes (Cicero, Vitruvius).