Word.ws English Dictionary

proostracum

proostracum noun: the anterior prolongation of the guard of the phragmocone of belemnites and allied fossil cephalopods, whether horny or calcareous.

Noun

proostracum (plural proostraca)

  1. The anterior prolongation of the guard of the phragmocone of belemnites and allied fossil cephalopods, whether horny or calcareous.

proostracum meaning in Tamil

proostracum in Tamil

முன்சிப்பிப் படலம்

Forms of proostracum

pluralproostraca

Origin of proostracum

From Ancient Greek προ- (pro-, “before”) + ὄστρᾰκον (óstrăkon, “shell”).

Questions about proostracum

What does proostracum mean?
Proostracum means the anterior prolongation of the guard of the phragmocone of belemnites and allied fossil cephalopods, whether horny or calcareous.
What is proostracum in Tamil?
Proostracum in Tamil is முன்சிப்பிப் படலம். See Proostracum meaning in Tamil.
What part of speech is proostracum?
Proostracum is a noun.
What is the plural of proostracum?
The plural of proostracum is proostraca.

Words near proostracum in the dictionary

  1. Proosian
  2. Proosians
  3. proosteoblastic
  4. proosteoclastogenic
  5. proostraca
  6. proostracum
  7. proot
  8. prootic
  9. prootics
  10. proots
  11. proove

Source and license

Adapted from Wiktionary: proostracum (page history and authors); proostracum (Tamil Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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