[ rɪ'sə:tʃ , 'ri:sə:tʃ ]
■ noun the systematic investigation into and study of materials and sources in order to establish facts and reach new conclusions.
■ verb carry out ~ into.
↘use ~ to discover or verify information presented in (a book, programme, etc.).
C16: from obs. Fr. recerche (n.), recercher (v.), from OFr. re- (expressing intensive force) + cerchier 'to search'.
The traditional pronunciation in British English puts the stress on the second syllable, -search . In US English the stress comes on the re- . The US pronunciation is becoming more common in British English and, while some traditionalists view it as incorrect, it is now generally accepted as a standard variant in British English.