orbicule
/ˈɔːbɪkjuːl/noun
1 Geology. A spheroidal inclusion in an igneous rock; specifically an inclusion composed of a number of concentric layers. Compare earlier orbicular.
2 Botany. Any of the small droplets of lipid found in tapetal cells of the anther of certain plants, which are released from the cells with a covering of sporopollenin.
Origin
1930s; earliest use found in Albert Johannsen (1871–1962). From orbicular: see -cule.
- palaeopsychology
- palaeo-radius
- Westralian
- West Ridinger
- West Roxbury
- West Saxon
- West Seneca
- West Side
- West Sider
- west-south-west
- west-south-westerly
- west-south-westward
- west-south-westwards
- West Sussex
- westvale
- West Valley City
- West Virginia
- West Virginian
- westward
- westwardly
- westwardmost
- westward position
- westwards
- West Warwick
- west wind