hypothallus

[ hahy-puh-thal-uhs, hip-uh- ]

noun,plural hy·po·thal·li [hahy-puh-thal-ahy, hip-uh-]. /ˌhaɪ pəˈθæl aɪ, ˌhɪp ə-/.
  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 of hypothallus

1
From New Latin, dating back to 1850–55; see origin at hypo-, thallus

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024