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diallage1
noun
rare RhetoricA figure of speech by which arguments, after having been considered from various points of view, are all brought to bear on one point.
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.
diallage2
noun
rare MineralogyAny 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 19th century; earliest use found in Robert Jameson (1774–1854), geologist and natural historian. From French diallage from ancient Greek διαλλαγή.