(In various molluscs, especially bivalves) a long, transparent mucoid rod that projects from a sac into the stomach, where it rotates to aid mixing and gradually dissolves providing enzymes for digestion.
Origin
Early 19th century.
Definition of crystalline style in US English:
crystalline style
noun
Zoology
(In various molluscs, especially bivalves) a long, transparent mucoid rod that projects from a sac into the stomach, where it rotates to aid mixing and gradually dissolves providing enzymes for digestion.