[ tip-burn ]
/ ˈtɪpˌbɜrn /
noun Plant Pathology.
a disease of lettuce, potatoes, and other plants, characterized by browning of the tips and edges of the leaves, resulting from any of several environmental factors, as excessive heat and humidity.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019