ring

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Ring

A place on an exchange assigned for the trading of certain commodities, futures, or options. It is also called a pit or a trading pit.

ring

See pit.
References in periodicals archive ?
OPHTEC capsular tension rings have been used worldwide for more than ten years.
Primary product lines include the patented ARTISAN(R) Line: ARTISAN(R) Myopia Lenses, ARTISAN(R) Hyperopia Lenses, ARTISAN(R) Toric Lenses, ARTISAN(R) Pediatric Lenses, ARTIFLEX(TM) Foldable Phakic Lenses, and OPHTEC Capsular Tension Rings, Custom Artificial Iris Implants and the IPS(TM) Iris Prosthetic System.
Primary product lines include ARTISAN(R) Myopia Lenses, ARTISAN(R) Hyperopia Lenses, ARTISAN(R) Toric Lenses, ARTISAN(R) Pediatric Lenses, ARTIFLEX(TM) Foldable Phakic Lenses, OPHTEC Capsular Tension Rings, Custom Artificial Iris Implants and the IPS(TM) Iris Prosthetic System.