epilimnion /ep-i-limˈni-ən/

The upper, warm layer of water in a lake

• photochromics
• photochromies
• photochromism
• photochromisms
• photochromy
• photocoagulation
• photocomposition
• photoconducting
• photoconductive
• photoconductivity
• photocopiable
• photocopied
• photocopier
• photocopiers
• photocopies
• photocopy
• photocopying
• photocopyings
• photocurrent
• photocurrents
• photodegradable
• photodiode
• photodiodes
• photodissociation
• photodynamic