A movement in Judaism, characterized by the loosening of the strictures of much of traditional Jewish law that is seen as irrelevant to modern society, and by the shortening, simplification, and translation to the vernacular of Jewish ritual.

(inorganic chemistry) The production of hydrogen (and carbon monoxide) from water and methane at high temperature

In Protestant churches, a commemoration of Martin Luther's 95 Theses, observed on the last Sunday in October.

an approach to mathematics education, particularly in North America

(grammar, linguistics) A deliberate, often authoritatively sanctioned or mandated change to spelling rules.

Individual ideological indoctrination, especially that conducted in Communist China under Mao Zedong.

A particular Anglican Church based in the United States.