plural of rule of thumb

(idiomatic) To be the controlling member(s) of a family, organization, or other group.

To substantially control a school administratively, financially, or in terms of its curriculum.

The regulation requiring all traffic (travelling on a road or otherwise) to keep either to the left or the right. / (nautical) A regulation concerning safe handling of vessels on seaways.

(thermodynamics) An empirical rule stating that a linear relationship exists between the temperatures at which two solutions exert the same vapor pressure.

A rule stating that an airplane designed with the same cross-sectional area distribution in the longitudinal direction as the Sears-Haack body generates the same wave drag as this body, largely independent of the actual shape; used in aerodynamics to reduce drag, typically by narrowing the fuselage at the wing roots.

plural of rules lawyer

Third-person singular simple present indicative form of rules lawyer

plural of setting rule

(printing, historical) Synonym of composing rule