callose

[kal-ohs]

adjective

having thickened or hardened spots, as a leaf.

noun

callus(def 2).

Nearby words

callithump,
callithumpian,
callop,
callosal,
callosal gyrus,
callosity,
callot,
callot, jacques,
callous,
calloused

Origin of callose

1860–65; < Latin callōsus; see callous, -ose¹

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for callose

Callose, hardened; or furnished with callosities or thickened spots.
The Elements of Botany|Asa Gray

British Dictionary definitions for callose

callose

noun

a carbohydrate, a polymer of glucose, found in plants, esp in the sieve tubes

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