Look up quad or quadri- in Wiktionary, the free dictionary. Quad as a word or prefix usually means four. It may refer to: Quadrilateral Security Dialogue...

The Quad Cities is a region of cities (originally four, see History) in the U.S. states of Iowa and Illinois: Davenport and Bettendorf in southeastern...

QUaD, an acronym for QUEST at DASI, was a ground-based cosmic microwave background (CMB) polarization experiment at the South Pole. QUEST (Q and U Extragalactic...

Quad, formerly named Quad/Graphics, is an American marketing services and commercial printing company headquartered in Sussex, Wisconsin. Services provided...

resolution of 720p, and one-third (about 33.3%) more than 1080p. QHD (Quad HD) or WQHD (Wide Quad HD) is the designation for a commonly used display resolution...

A quadruple sculling boat, often simply called a quad and abbreviated as a 4x, is a racing shell used in the sport of competitive rowing. It is designed...

QUAD Electroacoustics is a British manufacturer of hi-fi equipment, based Huntingdon, Cambridgeshire. QUAD is part of the IAG Group, with corporate headquarters...

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A quad helix (or quadhelix) is an orthodontic appliance for the upper teeth that is cemented in the mouth. It is attached to the molars by 2 bands and...

The Quadrilateral Security Dialogue (QSD), commonly known as the Quad, is a strategic security dialogue between Australia, India, Japan and the United...