agglomerate

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agglomerate

a rock consisting of angular fragments of volcanic lava
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
they come in the form of reduced regional agglomerative efficiency.
In our approach we propose hierarchical agglomerative clustering for data structure analysis and algorithms C4.5 and CART as tools for decision tree classifier design.
In the present investigation, the results obtained from Jaccard's coefficient and sequential agglomerative hierarchical and nested clustering (SAHN) technique showed no similarity with those obtained from principal component method (figure not shown).
Scott and Storper remark that globalization has been accompanied by the assertion and reassertion of agglomerative tendencies in many different areas of the world.
They find that the structural features of the inventive networks are less important agglomerative features of metropolitan areas than agglomeration.
Agglomerative hierarchical clustering techniques start with as many groups as observations.
Overall, stock structure determined by this partitioning method was similar to that determined by the unweighted pair-group method with arithmetic averages (UPGMA), an agglomerative clustering algorithm.
Bridging has been a persistent and perplexing problem for manufacturers with traditional baghouse collectors, especially on stringy, fluffy and agglomerative materials.
Sequential agglomerative hierarchical non--overlapping (SAHN) clustering was done using unweighted pair group method with arithmetic averages (UPGMA) method.
2A is a 1-D agglomerative cluster of a panel of 7 (of a total of 10) donor blood samples from sample set A; all 7 samples were hybridized against a mass-balanced, self-referenced pool (16).
At the first stage, a hierarchical agglomerative algorithm with complete link clustering is applied.