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ag·glom·er·ate

(ə-glŏmə-rāt′)

tr. & intr.v. ag·glom·er·at·ed, ag·glom·er·at·ing, ag·glom·er·ates

To form or collect into a rounded mass.

adj. (-ər-ĭt)

Gathered into a rounded mass.

n. (-ər-ĭt)

1. A confused or jumbled mass; a heap.

2. A volcanic rock consisting of rounded and angular fragments fused together.

[Latin agglomerāre, agglomerāt-, to mass together : ad-, ad- + glomerāre, to form into a ball (from glomus, glomer-, ball).]

ag·glomer·a′tive (-ə-rā′tĭv, -ər-ə-tĭv) adj.

ag·glomer·a′tor n.

Indo-European & Semitic Roots Appendices

Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:

Indo-European Roots

Semitic Roots

The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.

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