definitions

thallo-

a combining form meaning “young, green shoot”, used in the formation of compound words: thallium.
a combining form representing thallus in compound words: thallophyte.
a combining form representing thallium in compound words: thallic.

Nearby words

thalia, thalidomide, thallic, thallium, thallium sulfate, thallo-, thalloid, thallophyte, thallous, thallus, thalweg
Also especially before a vowel, thall-.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019