deuteroconch

D2E1U1T1E1R1O1C3O1N1C3H4

noun

The second chamber of ammonites and other cephalopods

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Meanings

noundeuteroconch (plural deuteroconches or deuteroconchs)

plural deuteroconches · plural deuteroconchs

  1. biologyThe second chamber of ammonites and other cephalopods

    A microspheric nucleoconch does not have an obvious deuteroconch, and is followed by a spiral nepionic stage, no matter what the adult chamber arrangement may be.

    1954, Alan Hilder Smout, Lower Tertiary Foraminifera of the Qatar Peninsula, British Museum (Natural History), page 25

Origin

From deutero- + conch.

Full word history & related roots →
Cite this entry
APA

deuteroconch. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/deuteroconch

MLA

“deuteroconch.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/deuteroconch. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “deuteroconch,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/deuteroconch.

Source: deuteroconch on Wiktionary, CC BY-SA 4.0.