1. A more intense El Niño that occurs every few years when the welling up of cold nutrient-rich water does not occur; kills plankton and fish and affects weather patterns

Type of: El Niño

• photochemical exchange
• photochemical reaction
• photochemistry
• photocoagulation
• photocoagulator
• photoconduction
• photoconductive
• photoconductive cell
• photoconductivity
• photocopier
• photocopy
• photodegradable
• photoelectric
• photoelectric cell
• photoelectric emission
• photoelectrical
• photoelectrically
• photoelectricity
• photoelectron
• photoemission
• photoemissive
• photoengrave
• photoengraving
• photofit
• photoflash