Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

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alkaline-earth metal any of a group of highly reactive chemical elements, such as calcium and magnesium, that are typically divalent cations and form compounds with various other elements.
down-to-earth practical, straightforward, sensible, and realistic.
earth mother (sometimes caps.) the planet earth conceived of as the source of all life. [2 definitions]
earth science any of the sciences, such as geology, geography, or meteorology, dealing with the origin, structure, and composition of the earth and its changes.
earth tone any of the muted colors found in nature, such as beige, gray, or moss green.
earth-friendly of or pertaining to a product or process that causes minimal harm to the environment.
earthbound limited or confined to earth or earthly matters. [3 definitions]
fuller's earth a very absorbent clay used esp. in fulling woolen cloth and also as a filter, dusting powder, catalyst, and the like.
rare earth any oxide of a rare-earth metal. [2 definitions]
rare-earth metal any of the series of chemical elements, all metals, that have from fifty-seven to seventy-one protons per atom; lanthanide series.