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.
blockboard. Blockboard is a wood based panel, made up of a core of softwood strips glued together. The strips may be up to about 28mm wide and are placed edge to edge and sandwiched between veneers of softwood, hardwood or thin MDF or particleboard, glued under high pressure.