testule

testule
ˈtestule Bot.
[ad. L. testula, dim. of testa shell.]
The silicified crust or shell of a diatom: more usually called frustule.
in Cent. Dict.

Useful english dictionary. 2012.

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Look at other dictionaries:

  • testule — (tè stu l ) s. m. Terme de botanique. Membrane extérieure de l ovule. ÉTYMOLOGIE    Dimin. de test 2 …   Dictionnaire de la Langue Française d'Émile Littré

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