protocoel
(also protocoele) Zoology
noun
The anterior division of a tripartite coelom in certain invertebrates.
Origin
1940s.
- orthogonalization
- orthogonalize
- orthogonalized
- orthogonalizing
- orthogonally
- orthogonal projection
- orthogonal trajectory
- orthograde
- orthographer
- orthographic
- orthographical
- orthographically
- orthographic projection
- orthographise
- orthographist
- orthographize
- orthography
- orthohelium
- orthohydrogen
- orthokeratology
- orthokinesis
- orthokinetic
- orthological
- orthologous
- orthology