uniface

/ˈjunəˌfeɪs/
noun
  1. A coin or medal that has a design on only one side.
    • The collector was thrilled to find a rare Roman uniface at the auction.
    • This uniface medal shows the emperor's profile on the front but is blank on the back.
    • Ancient unifaces were often used as tokens or small payments.
  2. A stone tool that has been flaked on only one side.
    • Unlike bifaces, a uniface has a flat, unworked side.
    • The uniface was likely used for cutting animal hides.
    • Archaeologists discovered a uniface scraper at the prehistoric site.
Antonyms
What does "uniface" mean? | whatsthatwordmean | whatsthatwordmean