EQ may refer to:
Equatorial Guinea (Spanish: Guinea Ecuatorial, French: Guinée équatoriale, Portuguese: Guiné Equatorial), officially the Republic of Equatorial Guinea (Spanish: República de Guinea Ecuatorial, French: République de Guinée équatoriale, Portuguese: República da Guiné Equatorial), is a country located in Central Africa, with an area of 28,000 square kilometres (11,000 sq mi).
Equestrianism (from Latin equester, equestr-, equus, horseman, horse), more often known as riding, horseback riding (American English) or horse riding (British English), refers to the skill of riding, driving, steeplechasing or vaulting with horses.
An equal temperament is a musical temperament, or a system of tuning, in which the frequency interval between every pair of adjacent notes has the same ratio (rather than the same absolute change in frequency).
An equinox is the moment in which the plane of Earth's equator passes through the center of the Sun, which occurs twice each year, around 20 March and 23 September.
This is a list of some of the modern & historical equipment used by Indian Army. Most of the army equipment is of foreign design and its license produced in India but efforts are on to progressively design and manufacture equipment indigenously.
In classical statistical mechanics, the equipartition theorem is a general formula that relates the temperature of a system with its average energies.
The Equal Rights Amendment (ERA) was a proposed amendment to the United States Constitution designed to guarantee equal rights for women.
In physics and thermodynamics, an equation of state is a thermodynamic equation relating state variables which describes the state of matter under a given set of physical conditions.
Equine anatomy refers to the gross and microscopic anatomy of horses and other equids, including donkeys, and zebras.