troland

(symbol: td) n. the unit of illumination at the retina, defined as the illumination when a light source of 1 cd/m² is viewed through a standard pupil with an area of 1 mm². [named after Leonard T. Troland]

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

morula

n. an early stage of embryological development, extending from the first cleavage of the zygote until the blastula is formed by further divisions of daughter cells.