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单词 palmellaceous
释义

palmellaceousadj.

Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Palmellaceae , -ous suffix.
Etymology: < scientific Latin Palmellaceae, family name (J. Decaisne 1842, in Ann. des Sci. Nat.: Bot. 17 327, 333; < Palmella , genus name (see palmella n.) + -aceae : see -aceous suffix) + -ous suffix. N.E.D. (1904) gives the pronunciation as (pælmelēi·ʃəs) /pælmɛˈleɪʃəs/.
Botany. Obsolete. rare.
Belonging to the algae family Palmellaceae, of which the genus Palmella is the type (see palmella n. 1).The family is now usually identified with the family Tetrasporaceae (Wittrock 1872) and known by this name.
ΚΠ
1875 J. D. Macdonald Guide to Microsc. Exam. Drinking Water 17 We thus perceive how slender are the grounds upon which we can assume almost any palmellaceous plant to be a distinct entity.
1890 Cent. Dict. Palmellaceous, resembling or belonging to the genus Palmella.
This entry has been updated (OED Third Edition, March 2005; most recently modified version published online December 2019).
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adj.1875
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