popcorn

[ pop-kawrn ]
/ ˈpɒpˌkɔrn /

noun

any of several varieties of corn whose kernels burst open and puff out when subjected to dry heat.
popped corn.

Origin of popcorn

1810–20, Americanism; short for popped corn. See pop1, -ed2, corn1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for popcorn

popcorn

/ (ˈpɒpˌkɔːn) /

noun

a variety of maize having hard pointed kernels that puff up when heated
the puffed edible kernels of this plant

Word Origin for popcorn

C19: so called because of the noise the grains make when they swell up and burst on heating
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