plural of rapid antigen test

With speed; in a rapid manner.

superlative form of rapid: most rapid

(mineralogy) An orthorhombic-dipyramidal mineral containing calcium, carbon, hydrogen, oxygen, and sulfur.

(of a river or a stream) Without rapids. / (of an area or terrain) having no fast rivers or streams

plural of rapidograph

A technical pen.

A native or inhabitant of Grand Rapids.

plural of Grand Rapidian

A native or inhabitant of Cedar Rapids.