1. Having elevations or depressions in form like one half of a bivalve shell; - applied principally to a surface produced by fracture

Encyclopedia: Conchoidal

• Hyalospongiae
• hyaluronic acid
• hyaluronidase
• Hyazyme
• Hybanthus
• hybrid
• hybrid petunia
• hybrid tuberous begonia
• hybrid vigor
• hybridisation
• hybridise
• hybridising
• hybridism
• hybridity
• hybridization
• hybridize
• hybridizing
• hybridoma
• hydantoin
• hydathode
• hydatid
• hydatid disease
• hydatid mole
• hydatidiform mole
• hydatidosis