lingua franca

a common language used by people of different mother tongues for purposes of communication. Such a language may, but need not, be a hybrid of the mother tongues. Compare creole; pidgin.

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Psychology term of the day

May 8th 2024

PI

1. abbreviation for prescribing information. See labeling.

2. abbreviation for proactive interference.

3. abbreviation for progressive interval. See progressive-interval schedule.