narceine or narceen /närˈsēn/

A narcotic alkaloid in opium, C₂₃H₂₇O₈N

• hardshell
• hardshell clam
• hardshell clams
• hardship
• hardships
• hard shoulder
• hard shoulders
• hard soap
• hard-standing
• hard-standings
• hard stocks
• hard stuff
• hard swearing
• hardtack
• hardtacks
• megafarad
• megafarads
• megafauna
• megafaunae
• megafaunas
• megaflop
• megaflops
• megaflora
• megaflorae
• megafloras