rostrum

n. (pl. rostra) a beak-shaped or prowlike structure, such as the rostrum of the corpus callosum at its anterior bend where it curves backward under the frontal lobe.

Browse dictionary by letter

a b c d e f g h i j k l m n o p q r s t u v w x y z

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.