Any of a group of about fifteen species of passerine birds found mainly on the Galápagos Islands, often classified as the subfamily Geospizinae or tribe Geospizini, and not related to the true finches.

plural of Darwin stubby

(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.

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.

Alternative letter-case form of ultra-Darwinism

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.

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