umbonal

adjective

um·​bo·​nal ˈəmbənᵊl 

¦əm¦bōn-

: of, relating to, or having the characteristics of an umbo

long umbonal projections frequently contain hollow spaces between … calcareous layers

—K. H. Barnard

Word History

Etymology

Latin umbon-, umbo + English -al

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Rhymes for umbonal

• atonal
• coronal
• hormonal
• veronal
• clonal
• sonal
• tonal
• zonal
• monoclonal
• polyclonal