yarpha or yarfa /yärˈfə/ (Scot)

1. Peaty soil in Shetland
2. Clayey, sandy or fibrous peat
3. A peat bog

• focal infection
• focal infections
• focalisation
• focalisations
• focalise
• focalised
• focalises
• focalising
• focalization
• focalizations
• focalize
• focalized
• focalizes
• focalizing
• focal length
• focal lengths
• focally
• focal plane
• focal planes
• focal-plane shutter
• focal-plane shutters
• focal point
• focal points
• foci
• focimeter