Definition of diallage in English:

diallage

noun

Rhetoric
rare
  • A figure of speech by which arguments, after having been considered from various points of view, are all brought to bear on one point.

noun

Mineralogy
rare
  • Any of various mineral varieties (originally amphiboles and pyroxenes; in later use specifically clinopyroxenes, as diopside and augite) which display distinct pinacoidal lamination, often with other minerals between the plates.

Origin

Early 18th century; earliest use found in Phillips's New World of Words. From post-classical Latin diallage, denoting a figure of speech from ancient Greek διαλλαγή interchange from διαλλαγ-, aorist stem of διαλλάσσειν to interchange from δια- + ἀλλάσσειν to change, exchange<br>early 19th century; earliest use found in Robert Jameson (1774–1854), geologist and natural historian. From French diallage from ancient Greek διαλλαγή. The mineral is so called on account of its distinctive cleavage.

Pronunciation

diallage

/dʌɪˈalədʒi//dʌɪˈaləɡi/