agglomerate

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agglomerate

a rock consisting of angular fragments of volcanic lava

agglomerate

[ə′gläm·ə·rət]
(geology)
A pyroclastic rock composed of angular rock fragments in a matrix of volcanic ash; typically occurs in volcanic vents.
(metallurgy)
A rigid mass of metallic particles that have been joined together by a powder metallurgical technique, such as sintering.
References in periodicals archive ?
Selecting an agglomerative algorithm and similarity and distance measure.
Unfortunately, the estimation does not enable us to identify specific agglomerative forces that are at work.
Agglomerative hierarchical clustering can aid in this demonstration in the following way:
For that reason, this research applied CLUSTER procedure (a hierarchical agglomerative clustering program with Ward's trace option).
Based on the way the proximity matrix is updated in step 2, a variety of agglomerative algorithms can be designed.
Since the agglomerative method produces increasingly large clusters, each step produces greater within-cluster variance.
In this study, the statistical technique used to create the structural taxonomies was Ward's method of hierarchical agglomerative clustering with squared euclidean distance measures.
In the early chapters of the book, Owens relies on an intuitive principle about causal explanation to substantiate claims to the effect that coincidences cannot be causally explained and that causal explanations are neither agglomerative nor transitive.
We economists have our own arcane terms for labeling the powerful forces that explain these congregations, these cities: comparative advantage, economics of scale, agglomerative economies.
Not unnaturally, the agglomerative tendencies of similar retail outlets and the intra-centre spatial arrangement of these clusters of activity have attracted a modicum of theoretical discussion and associated empirical analysis.
This agglomerative instinct was reinforced by transit systems that efficiently delivered workers to a central location.
But in general the decision to draw attention to trivial parallels as well as major ones proves justified: they do have agglomerative force.