Word.ws English Dictionary

preatrium

preatrium noun: the region in front of the atrium (in gastropods).

Noun

preatrium (plural preatria)

  1. The region in front of the atrium (in gastropods)
    • Aedeagus in lateral view with preatrium well developed, almost as long as shaft, shaft slender, tubular, straight, diverging from line of preatrium about 30°, with membranous flanges on dorsal side variable in shape, dorsoatrium absent but with pair of ligaments connecting to anal tube laterally...2015 October 1, “Clarification of the Identity of the Tea Green Leafhopper Based on Morphological Comparison between Chinese and Japanese Specimens”, in PLOS ONE, →DOI

Forms of preatrium

pluralpreatria

Origin of preatrium

From pre- + atrium.

Questions about preatrium

What does preatrium mean?
Preatrium means the region in front of the atrium (in gastropods).
What part of speech is preatrium?
Preatrium is a noun.
What is the plural of preatrium?
The plural of preatrium is preatria.

Words near preatrium in the dictionary

  1. preatheroma
  2. preatherosclerotic
  3. preatmospheric
  4. preatomic
  5. preatrial
  6. preatrium
  7. preattached
  8. preattachment
  9. preattack
  10. preattend
  11. preattended

Source and license

Adapted from Wiktionary: preatrium (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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Cite this entry: “preatrium.” Word.ws, https://word.ws/preatrium. Based on Wiktionary, CC BY-SA 4.0.