1. Of something totally lacking in saturation and therefore having no hue

See also: achromatic, neutral

• fiberscope
• Fibonacci number
• Fibonacci sequence
• fibre
• fibre bundle
• fibre optic cable
• fibre-optic transmission system
• fibreboard
• fibreglass
• fibreoptic
• fibreoptics
• fibrescope
• fibril
• fibrillar
• fibrillate
• fibrillation
• fibrillose
• fibrin
• fibrinase
• fibrinogen
• fibrinolysin
• fibrinolysis
• fibrinopeptide
• fibrinous
• fibro