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siphuncle

[ sahy-fuhng-kuhl ]
/ ˈsaɪ fʌŋ kəl /
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noun

(in a nautilus) the connecting tube that passes from the end of the body through all of the septa to the innermost chamber.
Entomology. an aphid cornicle.

QUIZZES

QUIZ YOURSELF ON “THEIR,” “THERE,” AND “THEY’RE”

Are you aware how often people swap around “their,” “there,” and “they’re”? Prove you have more than a fair grasp over these commonly confused words.
Question 1 of 7
Which one of these commonly confused words can act as an adverb or a pronoun?

Origin of siphuncle

1895–1900; <Latin sīp(h)unculus small tube through which water is forced, equivalent to sīp(h)ōn-, stem of sīp(h)ōsiphon + -culus-cule1 (see carbuncle)

OTHER WORDS FROM siphuncle

si·phun·cu·lar, si·phun·cu·late [sahy-fuhng-kyuh-lit], /saɪˈfʌŋ kyə lɪt/, si·phun·cu·lat·ed [sahy-fuhng-kyuh-ley-tid], /saɪˈfʌŋ kyəˌleɪ tɪd/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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