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clath·rate

(klăthrāt′)

adj.

1. Biology Having a latticelike structure or appearance: clathrate scales.

2. Chemistry Of or relating to inclusion complexes in which molecules of one substance are completely enclosed within the crystal structure of another.

n.
Chemistry

A clathrate compound, such as methane hydrate.

[Latin clāthrātus, past participle of clāthrāre, to furnish with a lattice, from clāthrī, clātra, lattice, from Greek klēithra, pl. of klēithron, door bar, from kleiein, to close.]

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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