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platy

1

[ pley-tee ]

adjective

, plat·i·er, plat·i·est.
  1. (of an igneous rock) split into thin, flat sheets, often resembling strata, as a result of uneven cooling.


platy

2

[ plat-ee ]

noun

, plural (especially collectively) plat·y, (especially referring to two or more kinds or species) plat·ys, plat·ies.

platy-

3
  1. a combining form meaning “flat,” “broad,” used in the formation of compound words:

    platyhelminth.

platy-

1

combining_form

  1. indicating something flat

    platyhelminth

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


platy

2

/ ˈpleɪtɪ /

adjective

  1. of, relating to, or designating rocks the constituents of which occur in flaky layers

    platy fracture

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

platy

3

/ ˈplætɪ /

noun

  1. any of various small brightly coloured freshwater cyprinodont fishes of the Central American genus Xiphophorus, esp X. maculatus
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of platy1

First recorded in 1525–35; plate 1 + -y 1

Origin of platy2

1930–35; by shortening of New Latin Platypoecilus genus name, equivalent to platy- platy- + -poecilus < Greek poikílos mottled

Origin of platy3

Combining form representing Greek platýs; flat 1
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Word History and Origins

Origin of platy1

from Greek platus flat

Origin of platy2

C19: from plate + -y 1

Origin of platy3

C20: shortened from New Latin Platypoecilus former genus name, from platy- + -poecilus, from Greek poikilos spotted
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Example Sentences

The platy parting is the more common, but the columnar or prismatic parting is well exhibited at several localities.

Strawberry Falls mark the front of a glacial step over a massive flow of platy andesite.

It weathers readily to platy-pseudomorphs of bastite which are soft and yield low polarization colours.

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Plattsburghplatycephalic