The date of February 12, an annual celebration of the birth of Charles Darwin in 1809.

A nickname for the English biologist Thomas Henry Huxley (1825–1895), related to his advocacy of Charles Darwin's theory of evolution.

(fluid dynamics) The phenomenon by which a fluid parcel is permanently displaced after the passage of a body through a fluid – the fluid being at rest far away from the body.

plural of Darwin's rhea

The modern synthesis of Charles Darwin's theory of natural selection with the modern genetic understanding of heredity.

A belief system based heavily on Darwinism and evolutionism. Believers in it see Charles Darwin's work as vital, even all-encompassing, and usually see atheism as an implication of evolution.

plural of Darwin's fox

A fox-like South American canid, Lycalopex fulvipes, found predominantly on Chiloé.

plural of Darwin's tubercle

(medicine, anatomy) A congenital ear condition which often presents as a thickening of the helix at the junction of the upper and middle thirds.