researcher

Meanings

1. 1
   noun

   One who researches.

   Irregular bedtimes may disrupt healthy brain development in young children, according to a study of intelligence and sleeping habits. ¶ Going to bed at a different time each night affected girls more than boys, but both fared worse on mental tasks than children who had a set bedtime, researchers found.

2. 2
   noun

   a scientist who devotes himself to doing research

Etymology

From research + -er.