rule of proportion
1Proportion — Pro*por tion, n. [F., fr. L. proportio; pro before + portio part or share. See {Portion}.] [1913 Webster] 1. The relation or adaptation of one portion to another, or to the whole, as respect magnitude, quantity, or degree; comparative relation;… …
2Rule — Rule, n. [OE. reule, riule, OF. riule, reule, F. r[ e]gle, fr. L. regula a ruler, rule, model, fr. regere, rectum, to lead straight, to direct. See {Right}, a., and cf. {Regular}.] 1. That which is prescribed or laid down as a guide for conduct… …
3Rule joint — Rule Rule, n. [OE. reule, riule, OF. riule, reule, F. r[ e]gle, fr. L. regula a ruler, rule, model, fr. regere, rectum, to lead straight, to direct. See {Right}, a., and cf. {Regular}.] 1. That which is prescribed or laid down as a guide for… …
4Rule of the road — Rule Rule, n. [OE. reule, riule, OF. riule, reule, F. r[ e]gle, fr. L. regula a ruler, rule, model, fr. regere, rectum, to lead straight, to direct. See {Right}, a., and cf. {Regular}.] 1. That which is prescribed or laid down as a guide for… …
5Rule of three — Rule Rule, n. [OE. reule, riule, OF. riule, reule, F. r[ e]gle, fr. L. regula a ruler, rule, model, fr. regere, rectum, to lead straight, to direct. See {Right}, a., and cf. {Regular}.] 1. That which is prescribed or laid down as a guide for… …
6Rule of thumb — Rule Rule, n. [OE. reule, riule, OF. riule, reule, F. r[ e]gle, fr. L. regula a ruler, rule, model, fr. regere, rectum, to lead straight, to direct. See {Right}, a., and cf. {Regular}.] 1. That which is prescribed or laid down as a guide for… …
7Rule of St. Augustine — • Names the five documents sometimes identified as the Rule of Augustine, quickly narrows the field to two contenders, settles on Letter 211. Also deals with Augustine s relation to monasticism Catholic Encyclopedia. Kevin Knight. 2006. Rule of… …
8proportion — [prə pôr′shən, prōpôr′shən] n. [ME proporcioun < MFr proporcion < L proportio < pro, FOR1 + portio, part: see PORTION] 1. the comparative relation between parts, things, or elements with respect to size, amount, degree, etc.; ratio 2. a… …
9rule of three — n. Math. the method of finding the fourth term of a proportion when three terms are given: the product of the first and last terms is equal to the product of the second and third …
10rule of three — a rule in mathematics: the product of the means in a proportion equals the product of the extremes used for finding the fourth term of a proportion where three are given * * * Math. the method of finding the fourth term in a proportion when three …
