(often with "the") San Diego (principally its downtown parts), after the 619 area code.

(India) An Indo-Chinese dish consisting of deep-fried chicken and red chillies.

(paper, printing) Sexto, sixmo.

(US, Canada) To press the keys *69 in succession on the keypad of a telephone, usually after a missed call, which results in a last-call return by automatically dialling the telephone number of the last caller.

(US, Canada, telephony) The telephone number used for last-call return services

(Canada, US, telephony) To use the last-call return service / (slang) To trace back, backtrace

(molecular biology) The large subunit of the eukaryotic 80S ribosomes.

plural of 64th note

Arsphenamine.

(British) A grade of pencil with lead that makes darker marks than a pencil grade 5B; a pencil with extremely soft lead.