Hairy tongue is a misnomer. Small protuberances on the tongue become thick and appear black as a result of poor oral hygiene. Overview. Hairy tongue, also known as black tongue, is a benign condition of elongation and staining of the fingerlike projections (papillae) on the tongue surface.
Full Definition of BASEBOARD. : a board situated at or forming the base of something; specifically: a molding covering the joint of a wall and the adjoining floor.See baseboard defined for English-language learners.See baseboard defined for kids. a board situated at or forming the base of something; specifically: a molding covering the joint of a wall and the adjoining floor. See baseboard defined for English-language learners.
A surfboard, invented in ancient Hawaii, is an elongated platform used to support an individual standing on them while breaking a wave. They are made of polyurethane or polystyrene foam covered with layers of fiberglass cloth, and polyester or epoxy resin, making them light, strong, buoyant and maneuverable.