Anything with a cyclic (repetitious) behaviour. Something that cycles between different states. / (astronomy) An orbit that approaches two astronomical bodies on a regular basis.

(dated) cyclist

plural of cycler

(genetics) A laboratory device in which a polymerase chain reaction is carried out repeatedly in cycles which in turn amplifies the sample DNA segments. The instrument contains a thermal block which contains the DNA samples and can precisely control the internal temperature.

plural of reverse cycler

A nursing infant that tends to feed mostly at night and sleep mostly during the day.

plural of thermal cycler

(astronautics) A spacecraft which cycles between the planet Earth and the planet Mars, in its own orbit which intercepts both their orbits at times when the planets are at those points in their orbits; which allows transfers to and from Earth and Mars, and transport to and from Earth and Mars.

A bicycle shop.

plural of cyclery