(organic chemistry) The monoterpenoid aldehyde 3,7-dimethyloct-6-en-1-al responsible for the aroma of citronella oil

(countable) The sound of water boiling on a hot surface. / (countable, informal) The process of being cooked which involves that sound. / (uncountable) Zing, zip, or pizazz; excitement.

Alternative form of kiddow

A surname from German. / Johannes Kepler, a German astronomer. / Kepler space telescope, a stellar transit tracker used for finding exoplanets