aporia /a-pōˈri-a or -pöˈ/

1. A professed doubt of what to say or to choose (rhetoric)
2. A difficulty

• blast furnaces
• blast-hole
• blast-holes
• blasting
• blasting gelatine
• blastings
• blastment
• blastments
• blasto-
• blastocoel
• blastocoele
• blastocoeles
• blastocoels
• blastocyst
• blastocysts
• blastoderm
• blastoderms
• blast off
• blast-off
• blastogeneses
• blastogenesis
• blastogenic
• blastoid
• Blastoidea
• blastoma