periclinal /per-i-klīˈnəl/

1. Sloping downwards in all directions from a point (geology)
2. Parallel to the outer surface (botany)

perˈicline noun

1. A variety of albite which usually occurs as elongated crystals
2. A type of twinning in feldspars

• stonecasts
• stone cell
• stone cells
• stonechat
• stonechats
• stone circle
• stone circles
• stone coal
• stone coals
• stone-cold
• stone-cold sober
• stone-colour
• stone-coloured
• stone-colours
• stone crab
• stone crabs
• stone-crazy
• stonecrop
• stonecrops
• stone curlew
• stone curlews
• stonecutter
• stonecutters
• stonecutting
• stonecuttings