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pyramidoidal

adjective
py·​ram·​i·​doi·​dal | \pə̇¦ramə¦dȯidᵊl, ¦pirə(ˌ)mi¦d-\

Definition of pyramidoidal 

: like a pyramid

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History and Etymology for pyramidoidal

New Latin pyramidoides figure resembling a pyramid (from Latin pyramid-, pyramis + -oides -oid) + English -al

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