tbar

Tbar or T-bar is a term that can refer to several distinct concepts across different fields. In skiing and mountain transportation, a T-bar lift is a type of surface lift that uses a T-shaped bar attached to a moving rope to pull skiers uphill while they remain on the snow. Riders grip the bar and lean into it as the rope carries them along. T-bar lifts were widely used in mid-20th-century resorts and are still found in some smaller or older facilities, though many have been replaced by chairlifts or gondolas. Safely operating a T-bar requires proper balance, the ability to release the bar if necessary, and awareness of other riders.

In architecture and construction, a T-bar is a structural member with a cross-section in the shape of the letter T. Steel or other metal T-bars are used as load-bearing or framing elements. In suspended ceiling systems, the term commonly refers to the main grid members—the T-shaped channels that form the backbone of the ceiling grid and support ceiling panels.

In particle physics, t-bar denotes the antiparticle of the top quark, written as t-bar (t̄). It appears in discussions of top-quark production and decay, often in conjunction with top quarks (t and t̄) in collider physics.

The term can also appear in product names or industry jargon. As with many terms, the intended meaning is determined by context.