heuch or heugh /hūhh/ (Scot)

1. A crag
2. A ravine or steep-sided valley
3. A quarry-face
4. An excavation, esp for coal

• isopycnic
• isopycnics
• isorhythmic
• isos
• isosceles
• isoseismal
• isoseismals
• isoseismic
• isosmotic
• isospin
• isospins
• isospories
• isosporous
• isospory
• isostasies
• isostasy
• isostatic
• isostatically
• isostemonous
• isosteric
• isosthenuria
• isotactic
• isotheral
• isotherals
• isothere