plural of quarter rest

(archaic, chemistry) butylene

Archaic form of quatrefoil.

plural of quarterfoil

(chemistry, archaic) An acid of the acrylic acid series, metameric with crotonic acid.

plural of quartation

(chemistry, archaic) The act, process, or result (in the process of parting) of alloying a button of nearly pure gold with enough silver to reduce the fineness so as to allow acids to attack and remove all metals except the gold.

(textiles) A square piece of fabric measuring 50 centimetres along each side.

plural of fat quarter

symptomatic anthrax, blackleg