The Protestant Reformation in Switzerland

(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.

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

an approach to mathematics education, particularly in North America

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

A particular Anglican Church based in the United States.