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[plat-ee] /ˈplæt i/
noun, plural (especially collectively) platy (especially referring to two or more kinds or species) platys, platies.
1930-35; by shortening of New Latin Platypoecilus genus name, equivalent to platy- platy- + -poecilus < Greek poikílos mottled Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for platies


adjective platier, platiest
of, relating to, or designating rocks the constituents of which occur in flaky layers: platy fracture
Word Origin
C19: from plate + -y1


noun (pl) platy, platys, platies
any of various small brightly coloured freshwater cyprinodont fishes of the Central American genus Xiphophorus, esp X. maculatus
Word Origin
C20: shortened from New Latin Platypoecilus former genus name, from platy- + -poecilus, from Greek poikilos spotted
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Encyclopedia Article for platies


(species Xiphophorus maculatus), popular tropical aquarium fish of the live-bearer family, Poeciliidae (order Atheriniformes). The platy is a compact fish, about 5 cm (2 inches) long and extremely variable in colour. It has been bred in many attractive colour varieties, and, like the related swordtail (Xiphophorus helleri) with which it has been crossed, has been used in a variety of genetic and medical studies

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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