ˌbʌtəˈreɪʃəs

Definitions

1. adjective

resembling or having the properties of butter, especially in being smooth and shiny

“The butteraceous texture of the cake made it a hit at the party.”

2. noun

a plant that produces butter or butter-like substances, especially a type of milkweed

“The naturalist observed a butteraceous plant growing in the wetlands.”