Someone from Leeds in northern England. / A pupil or alumnus of Leeds Grammar School.

(organic chemistry) Any reaction that produces an azo compound. / (pathology) A red discolouration of the urine on addition of diazobenzenesulfonic acid - an indication of typhoid fever.

(informal) Synonym of accelerator, accelerator pedal

(banking) A debit balance in the customer’s account that occurs in the course of the banking day and is expected to be repaid by a credit to the account prior to the end of the banking day.