diallage

[ dahy-uh-lij ]
/ ˈdaɪ ə lɪdʒ /

noun Mineralogy.

a variety of diopside with a laminated structure, found in gabbro and other igneous rocks.

Origin of diallage

1795–1805; < French < Greek diallagḗ interchange, change, noun derivative from base of diallássein make an exchange, equivalent to di- di-3 + allássein to change, exchange

Example sentences from the Web for diallage

British Dictionary definitions for diallage

diallage
/ (ˈdaɪəlɪdʒ) /

noun

a green or brownish-black variety of the mineral augite in the form of layers of platelike crystals

Word Origin for diallage

C19: from Greek diallagē interchange