To alternate between two or more languages, typically in spoken conversation. / To change the dialect or register in which one speaks a language.

(telecommunications) Any of a family of linear error-correcting codes that generalize the Hamming(7,4)-code invented by Richard Hamming in 1950.

(computing, informal) source code / (computing, informal) object code

(Canada, US, medicine) The condition on the occurrence of a neonatal medical emergency. / (Canada, US, medicine, more generally) The condition on the occurrence of a pediatric medical emergency.

(Canada, US, medicine) The condition of the occurrence of a medical emergency.

(Canada, US, medicine) the condition on the occurrence of a patient death / (Canada, US, medicine) the condition on the occurrence of a security threat to medical facility infrastructure

(Canada, US, medicine) The condition of the occurrence of a hazmat situation at a medical facility.

(Canada, US, medicine) The condition on the occurrence of a fire at the medical facility. / (Canada, US) An extrajudicial punishment. / (figuratively) A condition of immediate urgency.

Alternative spelling of promo code

(historical) The Motion Picture Production Code, a set of moral guidelines for motion pictures in the United States; it was in force from 1930 to 1968.