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单词 petalostichous
释义

petalostichousadj.

Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Petalosticha , -ous suffix.
Etymology: < scientific Latin Petalosticha, taxon name (1880 or earlier; < ancient Greek πέταλον leaf (see petal n.) + στίχος row: see stich n.) + -ous suffix; compare -stichous comb. form. N.E.D. (1905) gives the pronunciation as (petălǫ·stikəs) /pɛtəˈlɒstɪkəs/.
Zoology. Obsolete. rare. Apparently only attested in dictionaries or glossaries.
Having petaloid ambulacra; of or relating to the former division Petalosticha of irregular echinoids.
ΚΠ
1890 Cent. Dict. 4424/3 Petalostichous, having petaloid ambulacra; specifically,..spatangoid or clypeastroid, as a sea-urchin.
This entry has been updated (OED Third Edition, December 2005; most recently modified version published online June 2021).
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adj.1890
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