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8 Wintry Words to Defrost Your Vocabulary

hypothallus

[hahy-puh-thal-uh s, hip-uh-] /ˌhaɪ pəˈθæl əs, ˌhɪp ə-/
noun, plural hypothalli
[hahy-puh-thal-ahy, hip-uh-] /ˌhaɪ pəˈθæl aɪ, ˌhɪp ə-/ (Show IPA)
1.
a layer of hyphae rimming the thallus of certain lichens.
2.
a filmlike residue at the base of the sporangia of certain slime molds.
Origin
1850-1855
1850-55; < New Latin; see hypo-, thallus
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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