disp. n. & v.
n. 1 a the systematic investigation into and study of materials, sources, etc., in order to establish facts and reach new conclusions. b (usu. in pl.) an endeavour to discover new or collate old facts etc. by the scientific study of a subject or by a course of critical investigation. 2 (attrib.) engaged in or intended for research (research assistant).
v. 1 tr. do research into or for. 2 intr. make researches. research and development (in industry etc.) work directed towards the innovation, introduction, and improvement of products and processes. researchable adj. researcher n.
[ obs. F recerche (as RE-, SEARCH) ]