ebonite
noun
eb·o·nite ˈe-bə-ˌnīt 
: hard rubber especially when black
Example Sentences
Recent Examples on the Web The former features an ebonite feed and an 18-karat gold nib available in a variety of sizes. 
Nancy Olson, Forbes, 13 Sep. 2021
Nancy Olson, Forbes, 13 Sep. 2021 Word History
First Known Use
1861, in the meaning defined above
- plantain eater
- plantain family
- plantain lily
- plantain shoreweed
- plantains
- plantal
- plantaler
- plantalest
- plantaller
- plantallest
- plantar
- plantar fasciitis
- plantar ligament
- plantarer
- plantarest
- plantarrer
- plantarrest
- plantas
- plantation
- plantation rubber
- plantation walker
- Plantation walking horse
- plantations
- planted
- planter