1. In the process of being tested or tried

See also: unproved, unproven

• collaborator
• collage
• collage film
• collagen
• collagenase
• collagenic
• collagenous
• collapsable
• collapse
• collapsible
• collapsible shelter
• collar
• collar blight
• collar cell
• collarbone
• collard
• collard greens
• collards
• collared lizard
• collared peccary
• collared pika
• collarless
• collate
• collateral
• collateral damage