Webster’s Revised Unabridged Dictionary · 1913
Centrolecithal
Cen′tro·lec′i·thal (sĕn′trō·lĕs′ĭ·thal), a. [Gr. κέντρον center + λέκιθος yolk of an egg.] (Biol.) Having the food yolk placed at the center of the ovum, segmentation being either regular or unequal. Balfour.