CEA DEFINITIONS AND BIOLOGY

Understanding the Language of CEA

Glossary for CEA Terms

Explore Greenhub’s cross-disciplinary glossary of Controlled Environment Agriculture (CEA) — a growing knowledge base for greenhouse growers, indoor farm managers, researchers, breeders, and agtech innovators. Here you’ll find concise definitions of key vertical farming and plant science terms that help create a shared language across the CEA industry.

E

Ebb and Flood Table

Hydroponic benchtop system where trays are periodically flooded with nutrient solution and then drained. (=Flood...

EC (Electrical Conductivity)

Nutrient concentration in irrigation/drain water. 

Edge Computing

Local data processing. 

Electrical Conductivity (EC)

Concentration of dissolved salts in solution. 

Elite Line

Advanced breeding line with desirable traits. 

Embedded System

A dedicated computer or microcontroller built into CEA equipment (e.g., sensor nodes, actuator controllers, dosing...

Energy Balance

Calculation of heat inputs vs. losses in greenhouse. (Digital Control &Software Metric)

Energy Meter

Device measuring electricity, gas, or thermal energy consumption in the farm. 

Energy Use Efficiency (EUE)

Ratio of biomass or yield produced per unit of energy input. 

Environmental Sensors

Measure temp, humidity, CO₂, PAR, VPD. 

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