A mass or body of individual units or particles. Healthy soil has good aggregation. As microorganisms and worms feed, they form polysaccharides which act like glue to hold individual soil particles together, creating groups, or aggregates, of particles. This loose formation allows soil to hold both water and air, and does not restrict the growth of roots.
sticking together; platelets aggregate to form the core of a blood clot search for Aggregation
a grouping of algal cells but not the organization of a colony, often held together by mucilage
( Ecol.) Grouping. following establishment of scattered colonizing invaders as a result of propagation.
the act of gathering something together
a grouping of related ELOs, along with the rules that control the presentation of the grouped material to the learner
If you leave the scheme and then come back, you can usually either keep the two periods of service separate or you can choose to join your two periods of service together – this is called aggregation.
Source: Bureau of Labor Statistics (BLS) Definition: Combining index relatives from one level to the next higher level. The procedure for the International Price Program begins with the aggregation of item level relatives to weight group relatives. The weight group relatives are then aggregated to the classification group relatives. The classification group relatives are then aggregated to the stratum lower relatives which in turn are aggregated up the tree of stratum upper relatives to the All Import or All Export index level.
may refer to 'schooling' which involves behavioural grouping of animals; but 'aggregation’ is also used to reflect concentration (of fish) for unknown or direct causes such as the concentration of food organisms
Forming a large group of consumers who together can bargain for the lowest possible electric rate.
The level at which data of the same type are gathered or grouped together. For instance, specific address data can be grouped together and displayed in blocks, census tracts, etc.
a clustering of cells as in Lymphoid aggregation found in the bone marrow.
Orders to deal in shares are usually effected individually and as soon is as reasonably practicable. However, on occasions and for various reasons, individual orders may be grouped together to produce a bulk transaction known as an aggregated order. This may result in a more favourable price or sometimes a less favourable price than if the order had been executed individually.
Stage of clot formation when platelets clump together.
The process by which several smaller gas customers are grouped together under a supplier to meet the minimum consumption requirement.
A mathematical operation performed to characterize a group of estimates with a single quantity. Common aggregations include an average ( mean median, or a mode.
Pooling together customers' electric loads to create a larger buying group for purchasing power.
a group (usually large) of fish of a single species that comes together to feed or spawn—or for some unknown reasons.
A group composed of many distinct parts.
The formation of groups or clusters of particles (aggregates) in a fluid.
process of grouping distinct data. The aggregated data set has a smaller number of data elements than the input data set.
The collecting together of a set of similar, usually adjacent polygons to form a single, larger entity. Any associated attribute data is also grouped together.
A collection of individual units or particles gathered together into a mass or body.
The process by which particles coalesce to form aggregates.
The process of snowflakes massing together in a cluster, maximizing when temperatures are within just a few degrees of freezing.
aggregation is the process of joining consumers together as a group to buy electricity and/or natural gas.
A provision in an excess of loss reinsurance contract whereby the cost of successive claims may be added together for the purpose of establishing the sum recoverable.
1. The process of combining different surface characteristics from neighboring heterogeneous regions into an average value for the area. It is used in boundary layer studies for surface fluxes, drag, and roughness. This process is often necessary to define surface characteristics for numerical models that have coarse horizontal grid mesh and that cannot resolve the individual surface areas. 2. The process of clumping together of snow crystals following collision as they fall to form snowflakes. This process is especially important near the melting layer where snow particles stick to each other more easily because of the liquid water on the surface. It also occurs at lower temperatures especially between dendritic snow crystals and occasionally rosette crystals in cirrus.
The process whereby primary soil particles (sand, silt, clay) are bound together into large particles by physical and chemical forces and substances derived from root exudates and microbial activity. Soil aggregates are the building blocks of soil structure.
The coming together of organisms into a group, such as seedlings growing near the base of a parent tree. See also: community.
The process of organizing small groups, businesses or residential customer into a larger, more effective bargaining unit that strengthens their purchasing power with utilities.
The grouping together of data for the purpose of reducing the volume of data, whilst retaining key specified details.