[spawr-uh-pol-uh-nin] /ˌspɔr əˈpɒl ə nɪn/
an inert, tough polymer forming the resistant outer coat of a pollen grain or spore.
An organic polymer that is extremely resistant to degradation. Pollen grains and many kinds of spores have a protective outer coating of sporopollenin, which is so durable that microfossils of sporopollenin are found in rocks over 500 million years old.
noun 1. either of two small, nocturnal skunks of the genus Spilogale, distinguished by a white forehead patch and a luxuriant coat of broken stripes and spots, including S. putorius of temperate North America and S. pygmaea of Mexico.
noun 1. a sunfish, Lepomis punctatus, inhabiting streams from South Carolina to Florida, having the body marked with longitudinal rows of spots.
- Spotted Tail
noun 1. (Sinte-galeshka) 1833?–81, Brulé Sioux leader.
noun, Plant Pathology. 1. a viral disease of plants, characterized by wilting and by brown, sunken spots and streaks on the stems and leaves.