Open terminology · 90 core terms
Bioeconomy Glossary
One shared vocabulary across resources, conversion, deployment, outcomes and methods. English remains the canonical scientific term; Chinese and French preserve it where ambiguity matters.
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Additionality
The extent to which an outcome occurs because of an intervention and would not occur under the counterfactual.
Agricultural residue
Material remaining from crop production or processing after the primary product is obtained.
Applicability domain
The region of input conditions for which a model has relevant supporting data and tested performance.
Bio-based
Made wholly or partly from biological feedstocks; the label alone does not establish sustainability.
Bioeconomy
The parts of the economy that use renewable biological resources, knowledge and processes to provide products and services.
Biomass
Biological material of recent origin used as a resource, excluding material embedded in geological formations.
Biorefinery
An integrated facility that fractionates and converts biological or secondary feedstocks into multiple products and energy services.
Carbon accounting
Systematic quantification of carbon stocks and flows within an explicit boundary and time period.
Carbon efficiency
The fraction of feed carbon retained in specified useful products.
Carbon intensity
Greenhouse-gas emissions expressed per stated unit of product, energy or service.
Carbon ledger
A traceable balance recording carbon origins, transformations, products, emissions and storage.
Carbon removal
Transfer of carbon dioxide from the atmosphere into durable storage, with full system emissions accounted for.
Cascading use
Sequential use of a material across applications to retain value before energy recovery or disposal.
Cash flow
Money entering and leaving a project over specified time periods.
Catalysis
Acceleration or redirection of a reaction by a material regenerated through the catalytic cycle.
Circular carbon
Carbon kept in productive cycles through reuse, recycling or recirculation before final release or storage.
Circular economy
A system strategy that retains value, reduces waste and regenerates natural systems through repeated use and redesigned flows.
Competing use
An existing or alternative demand for the same constrained resource.
Constraint
A mathematical, physical, environmental or institutional condition that a feasible option must satisfy.
Conversion efficiency
Useful output divided by an explicitly defined process input on a consistent basis.
Counterfactual
A clearly specified alternative describing what would happen without the intervention being assessed.
Data leakage
Use during model development of information that would not be available when making a real prediction.
Decision support
Evidence, models and processes organized to clarify choices and consequences without replacing accountable judgment.
Deployability
The practical capacity of a technology or system to be implemented under real technical, logistical, financial and institutional conditions.
Deployable potential
The quantity that can plausibly be implemented after logistics, infrastructure, market, institutional and timing constraints.
Durability
The characteristic lifetime and stability of a carbon storage form under stated conditions.
Energy balance
An accounting of energy inputs, outputs, losses and accumulation within a stated boundary.
External validation
Evaluation using data independent of model training, tuning and study design.
Facility siting
Selection of facility locations under supply, demand, network, environmental and social constraints.
Feedstock quality
The composition and physical properties that affect handling, conversion and product specifications.
Fermentation
Biological conversion in which microorganisms transform substrates into products under controlled conditions.
Forestry residue
Woody material remaining from forest management, harvesting or wood processing, subject to ecological constraints.
Functional unit
A quantified description of the function used as the reference basis for an LCA comparison.
Gasification
High-temperature partial oxidation that converts carbonaceous feedstocks mainly into a combustible synthesis gas.
Geographic information system (GIS)
A system for managing, analyzing and visualizing data linked to geographic locations.
GHG mitigation
Reduction in greenhouse-gas emissions or enhancement of removals relative to a defined baseline.
Global sensitivity analysis
Sensitivity assessment across the joint range of multiple uncertain inputs, including interactions.
Industrial by-product
A secondary material produced alongside a primary industrial product rather than as the main output.
Infrastructure
Durable physical and organizational systems enabling transport, utilities, storage, processing and markets.
Leakage
An increase in emissions or resource pressure outside the assessed boundary caused by the intervention.
Life-cycle assessment (LCA)
A standardized framework for compiling and evaluating environmental inputs, outputs and potential impacts across a product system.
Life-cycle inventory
The quantified inputs and outputs associated with processes inside an LCA system boundary.
Linear programming (LP)
Optimization of a linear objective subject to linear equalities and inequalities with continuous variables.
Logistics
Planning and operation of collection, storage, handling and transport flows.
Machine learning
Algorithms that learn predictive or descriptive patterns from data under a defined task and validation design.
Mass balance
An accounting statement that mass entering, leaving and accumulating within a boundary must conserve matter.
Mixed-integer linear programming (MILP)
Linear optimization in which some variables are restricted to integer values to represent discrete choices.
Model coupling
Structured transfer of variables, units and uncertainty between analytical models.
Moisture content
The fraction of water in a material on a stated wet or dry basis.
Multi-objective optimization
Optimization that represents two or more objectives to expose trade-offs among feasible alternatives.
Network distance
Travel distance through a defined transport network rather than straight-line separation.
Non-dominated solution
A feasible option for which no other option performs at least as well on all objectives and better on one.
Objective function
A quantified performance measure that an optimization model minimizes or maximizes.
Opportunity cost
The value of the best alternative use forgone when a constrained resource is assigned.
Organic waste
Discarded biodegradable material from households, agriculture, commerce or industry.
Pareto frontier
The set of feasible non-dominated solutions for which one objective cannot improve without another worsening.
Permanence
The expectation that stored carbon will remain out of the atmosphere over a specified time horizon.
Plastic upcycling
Conversion of plastic waste into products with improved function or value, assessed across the full system.
Plastic waste
Discarded polymer-containing material whose composition, contamination and sorting history shape recovery options.
Process integration
Coordinated design of material, heat, water and utility flows across process units.
Process simulation
Computational representation of connected unit operations, material flows, energy duties and operating assumptions.
Pyrolysis
Thermal decomposition in little or no oxygen that can form vapors, gases and carbon-rich solids.
Renewable carbon
Carbon obtained from sustainably managed biomass, recycled carbon or direct carbon dioxide use rather than additional fossil extraction.
Resource allocation
Assignment of limited resources among technologies, places, times or uses.
Resource assessment
A documented estimate of resource quantity, quality, location, timing and constraints for a defined boundary.
Robustness
The ability of a decision or result to remain acceptable across plausible assumptions and conditions.
Scale-up
Translation from laboratory or pilot conditions to larger operating capacity with changing technical and organizational risks.
Scenario analysis
Comparison of internally coherent possible futures or operating contexts rather than a single forecast.
Seasonality
Predictable within-year variation in resource production, quality or accessibility.
Secondary carbon
Carbon already circulating in products, residues, wastes or emissions that can potentially be recovered.
Secondary feedstock
A recovered material used as an input after a prior product or industrial life.
Selectivity
The preference of a reaction or separation for a desired product relative to alternatives.
Sensitivity analysis
Assessment of how model outputs respond to changes in inputs, assumptions or structure.
Separation
A process that partitions a mixture into streams with different compositions or properties.
Soil organic carbon (SOC)
Carbon contained in soil organic matter, measured as a stock over a defined depth and area.
Spatial resolution
The size or detail of the smallest spatial unit represented in data or a model.
Spatial supply
Resource quantity and quality represented by location rather than only as a regional total.
Structural uncertainty
Uncertainty arising from model form, causal representation, boundary or omitted processes.
Supply chain
The connected activities and actors that move a resource from origin through processing to use.
Supply curve
Cumulative resource quantity ordered by a specified marginal or delivered cost.
Sustainability
The capacity to meet present needs while maintaining environmental, social and economic systems over time.
Sustainable aviation fuel (SAF)
A non-fossil-derived aviation fuel meeting applicable fuel specifications and evaluated under a sustainability framework.
Sustainable potential
The share of technical potential remaining after stated environmental and social safeguards.
System boundary
The set of processes, flows, places and times included in an assessment.
Systems thinking
Reasoning about interacting components, feedbacks, constraints and outcomes rather than isolated parts.
Technical potential
The amount physically or technically possible under specified technology assumptions before broader constraints.
Techno-economic analysis (TEA)
A structured assessment linking process design and scale to capital, operating costs, revenues and financial performance.
Territorial bioeconomy
A bioeconomy organized around place-specific resources, actors, infrastructures, institutions and outcomes.
Trade-off
A relationship in which improving one outcome requires accepting a worse result in another.
Uncertainty analysis
Characterization and propagation of incomplete knowledge about inputs, models and future conditions.