epistasis /i-pisˈtə-sis/

1. The suppression by a gene of another non-allelomorphic gene
2. The arrest of a discharge or secretion
3. A scum which forms on the surface of a liquid, esp urine

epistatic /ep-i-statˈik/ adjective

• ultrastructure
• ultrastructures
• ultra-tropical
• ultraviolet
• ultraviolet microscope
• ultraviolet spectroscopies
• ultraviolet spectroscopy
• ultraviolet star
• ultraviolet stars
• ultra vires
• ultra-virtuous
• ultroneous
• ultroneously
• ultroneousness
• ultroneousnesses
• ululant
• ululate
• ululated
• ululates
• ululating
• ululation
• ululations
• ulva
• ulvas
• ulyie