rhynchocoel
/ˈrɪŋkə(ʊ)siːl/(also rhynchocoele, rhyncocoele, rhyncocoel) Zoology
adjective
= rhynchocoelan rare.
noun
1A worm of the phylum Rhynchocoela (now usually called Nemertea); a nemertean worm.
2In a nemertean worm: a fluid-filled tubular body cavity containing the introverted proboscis. Also: a cavity enclosing the extensible proboscis in whelks and related gastropods.
Origin
Late 19th century; earliest use found in Thomas Huxley (1825–1895), biologist and science educationist. From rhyncho- + -coele.
- atom theory
- atomy
- Aton
- atonal
- atonalism
- atonalist
- atonality
- at once
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- at one blow
- atonement
- at one's convenience
- at one's disposal
- at one's earliest convenience
- at (one's) ease
- at one's elbow
- at one's fingertips
- at one's leisure
- at one's mother's (or father's) knee
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- atonic
- atony