1. Of a chemical compound having a ring with four members
   - four-membered

See also: membered

• hyperthermal
• hyperthermia
• hyperthermy
• hyperthyroidism
• hypertonia
• hypertonic
• hypertonicity
• hypertonus
• hypertrophic cardiomyopathy
• hypertrophic rosacea
• hypertrophied
• hypertrophy
• hypervelocity
• hyperventilate
• hyperventilation
• hypervitaminosis
• hypervolaemia
• hypervolemia
• hypesthesia
• hypethral
• hypha
• Hyphantria
• Hyphantria cunea
• hyphema
• hyphen