merisis

[ mer-uh-sis ]
/ ˈmɛr ə sɪs /

noun Biology.

growth, especially growth resulting from cell division.

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orchard
Compare auxesis.

Origin of merisis

1935–40; < Greek meri- (combining form of merís part, portion) + -sis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020