Meanings

abnormal termination (of a call, e.g.)

anomalous condition

terminate and stay resident program

terminate-and-stay-resident program

mean rate accuracy

normal mode

lowlight

regular file

being stationary (of a process)

ordinary mail

stationary message source

transient

emergency eject hole

to defy conventional wisdom

(full-time) lecturer

normalization (of a social problem, of a situation, etc.)

activities of daily living

philosophy of common sense

regular customer

extraordinary ray