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QUADRANT. In angular measures, a quadrant is equal to ninety degrees. Vide Measure.

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Quadrantal portions of the lower covering sheet lying outside the cruciform attachment pattern are unrestrained by attachment to any other element of the absorbent assembly.
Such an analysis model has recently been verified for melt flow in a thin cavity with channels of semicircular and quadrantal cross sections [7-9].
The quadrantal crib has two mattress-adjustment levels for newborns and infants.