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

• touch the right chord
• touchtone
• touch-type
• touch-typed
• touch-types
• touch-typing
• touch-typist
• touch-typists
• touch up
• touch-up
• touch-ups
• touch wood
• touchwood
• touchwoods
• touchy
• touchy-feely
• touché
• tough
• tough as old boots
• toughen
• toughened
• toughener
• tougheners
• toughening
• toughenings