LEEDuser Glossary
This glossary, which is drawn from our own research as well as the U.S. Green Building Council's LEED reference guides, contains descriptions of terms commonly found in LEED and green building.
- 2-year, 24-hour Design Storm
-
a
- Account Classification
- ACH
- Acid Rain
- Acidification
- Adapted vegetation
- Adaptive Reuse
- Adequate Transit Service
- Adjacent Site
- Adsorption
- Aerosol Adhesive
- Aggregate Building
- Agrifiber Board
- Agrifiber Products
- AHU
- Air Quality Standards
- Air Source Heat Pump
- Airborne Particulates
- Albedo
- Alternative Daily Cover
- Alternative-fuel Vehicles
- Ambient Lighting
- Ambient Temperature
- Ancillary Learning Spaces
- Angle of Maximum Candela
- Anticorrosive Paints
- Area Median Income
- Area-weighted SRI
- Arid Watershed
- Assembly Recycled Content
- ASTM
- Attendance Boundary
- Audio Frequency
- Automatic Fixture Sensors
-
b
- Baseline Building Performance
- Baseline Irrigation Water Use
- Biking Network
- Binder
- Bioaccumulation
- Biobased
- Biochemical Oxygen Demand
- Biological Control
- Bioremediation
- Bisphenol-A
- Blackwater
- Bleed-off
- Bleed-off Rate
- Blowdown
- Blower door test
- BMP
- BOD
- Breathing Zone
- BREEAM
- Brownfields
- Btu
- Buildable Land
- Building Automation System (BAS)
- Building Density
- Building Engineer
- Building Floorspace
- Building Footprint
- Building Operating Plan
- Building Shell
- Building-Related Illness
- Buildout
- Built-Up Roof
-
c
- C&D
- C2C
- Cadmium
- Campus Bus
- Car Sharing
- CARB
- Carbon offset
- Cases or Cabinets
- CBECS
- CDD
- CDL
- CERCLA
- Certified Wood
- CFCs
- CFL
- CGP
- Chain-of-Custody
- Chemical Runoff
- Chemical Treatment
- CHP
- Chromium
- Churn
- CIR
- Circadian Rhythm
- Class I Bikeway
- Clerestory Windows
- Climate Change
- Climate Zone
- CO2
- Cogeneration
- Color-renderin Index (CRI)
- Comfort Criteria
- Comingling Recycling
- Completed Design Area
- Composite Wood
- Compositing Toilet Systems
- Compressed Workweek
- Concentration Ratio
- Conditional Energy Intensity
- Conductivity Meter
- Construction General Permit
- Construction IAQ Management Plan
- Construction Scope
- Construction Waste Management Plan (CWMP)
- Conversion Factors
- Conversion Losses
- Cooling Equipment
- Cx
- CxA
- Cycles of Concentration
-
d
- Daylight Factor
- Daylight Glazing
- Daylight-Responsive Lighting Controls
- Daylighting Sensors
- dBA
- Declarant
- Dedicated Server
- Degree-Days 45-Year Average
- Densely Occupied Space
- Density Factor
- Design Intent
- Design Light Output
- Development Footprint
- DHW
- Differential air pressure
- Diffusers
- Direct Line of Sight to Perimeter Vision Glazing
- Displacement Ventilation
- Distributed Water-Heating System
- Downstream Equipment
- Drip Irrigation
- Dual-flush
- Durable Goods
- Durable Goods Waste Stream
-
e
- EBOM
- EC Meter
- ECM
- Ecological Restoration
- Ecologically Appropriate Site Features
- Economizer
- Economizer Cycle
- Ecotoxicity
- Efficacy
- Electrical Conductivity (EC) Meter
- Electrical Engineering
- Embodied Energy
- EMCS
- Emissivity
- Endocrine Disrupter
- Energy Intensity
- Energy Source-Specific Floorspace
- Energy-Related Space Functions
- Environmentally Preferable Purchasing
- EPP
- ESC
- ET
- ETS
- Eutrophication
- Ex-situ Remediation
- Exemplary performance
- Exfiltration
- External Overhangs or Awnings
-
f
- Faucet aerator
- fc
- Flat Coatings
- Floor Area Ratio
- Fluoropolymer
- Flushometer
- Formaldehyde
- FSC
- FTE
- Fuel-Efficient Vehicles
- Full Cutoff
- Full Cutoff Luminaire
- Full-Cost Accounting
- Full-Time Equivalent
- Fully Shielded
- Functional Entry
- Functional Performance Testing
-
g
- Glazing Factor
- Graywater
- Green-e
- Gross Energy Intensity
- Gross Floorspace
- Gross Square Footage
- Ground Source Heat Pump
-
h
- Halogen Light Bulb
- Halons
- HCFCs
- Heat Island Effect
- Heat Pump
- Heat-recovery ventilator
- Heating Degree-Days
- HEPA filters
- HERS Index
- Hertz
- High-Efficiency Particulate Air
- Horizontal Footcandles
- Horizontal View
- Humid Watershed
- Hydrofluorocarbons
-
i
- IAQ
- IECC
- IFMA
- Impervious Surfaces
- Imperviousness
- Integrated Design
- Integrated Pest Management
- Interior Lighting Power Allowance
- Interior Non-Structural Components Reuse
- IPC
- IPMVP
-
k
- KL
- kWh
-
l
- Landscape Area
- Leakage rate
- Legionella pneumophila
- Life Cycle Analysis
- Life Cycle Inventory
- Life-Cycle assessment
- Life-Cycle Cost
- Long Life, Loose Fit
- Low-E
- Low-Emitting Vehicles
- LPD
- Lumen
- Lux
-
m
- MDF
- MDI
- MERV
- Microclimate Factor
- MSDS
- Multi-Occupant Spaces
- Multiple Chemical Sensitivity
-
n
- Native Vegetation
- Net Project Material Value
- NOAA Division
- Nonpoint Source Pollution
- Nonpotable Water
- Nonregularly Occupied Spaces
- NPDES
- NPV
- NRC
-
o
- Occasional Furniture
- Octave Band
- Off-Hours Equipment Reduction
- Ongoing Consumables
- Open Space Area
- OPR
- OSB
-
p
- Partially Shielded
- Percent Lit When Closed
- Percent Lit When Open
- PFOA
- Phenol Formaldehyde
- Picogram
- Picograms Per Lumen-Hour
- Plasticizer
- Post-Consumer
- Post-Industrial
- Potable Water
- PPB
- PPM
- Preferred Parking
- Present Value
- Process Water
- PSU
-
q
- QC Plan
-
r
- Rainforest Alliance Certification
- Rapidly Renewable
- Rated Power
- Rational Method
- RCRA
- REC
- Regularly Occupied Spaces
- Reverberation
- RT
-
s
- SBS
- Sealed Combustion
- Semiarid Watershed
- Setpoints
- SHGC
- Shielding
- Sky Glow
- SOP
- Sound Absorption Coefficient
- Source Energy
- Species Factor
- Specular Reflectors
- SRI
- Standard Error
- STC
- Submeter
- Submetering
- Systems Furniture
-
t
- TAG
- Tertiary Treatment
- Tipping Fees
- Toe of the Slope
- TP
- TSS
- Tvis
- TVOC
-
u
- Universal Notification
- UPC
- Upstream Equipment
- Urban Heat Island
- Urea Formaldehyde
-
v
- VAV
- Vertical Footcandles
- VFD
- VMT
- VOCs
-
w
- WFR
- Woonerf
-
x
- Xeriscaping
-
z
- ZEV
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