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Adj.1.closed-ring - having atoms linked by bonds represented in circular or triangular form
cyclic - of a compound having atoms arranged in a ring structure
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References in periodicals archive ?
Water from a closed-ring circuit at a constant temperature of 20[degrees]C (68[degrees]F), thanks to the heat exchanger of the district heating and well water, cools the heat pump air conditioners, he said.
The tension exerted by the abdominal muscles is transferred to sternum and to the closed-ring of the rib cage (11).