zonule noun. ['zǝʊnju:l] M19.
[from ZONULA: see -ULE.]
1. Anatomy. = ZONULA. M19.
zonule of Zinn [zɪn] [formed as ZINNIA] the zonula ciliaris.

2. Geology. A limited biostratigraphic unit that is defined by the vertical and horizontal extent of a faunule. E20.

[TahlilGaran] English Dictionary ▲