- 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.
Also especially before a vowel, thall-.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
