callose

[ kal-ohs ]
/ ˈkæl oʊs /

adjective

having thickened or hardened spots, as a leaf.

noun

Origin of callose

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

Example sentences from the Web for callose

British Dictionary definitions for callose

callose
/ (ˈkæləʊz) /

noun

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