technologist UK /tɛkˈnɒləd͡ʒɪst/US /tɛkˈnɑləd͡ʒɪst/ noun1 •A scientist, engineer, or technician who specializes in a particular technology, or who uses technology in a particular field.The technologist must be careful not to overmoisten the disk, as false negative results can occur due to dilution of the end product. — 1990 formstechnologists