| apatite | (noun) a common complex mineral consisting of calcium fluoride phosphate or calcium chloride phosphate; a source of phosphorus | - |
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| appetite | (noun) a feeling of craving something | Synonyms: appetence, appetency |
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| argentite | (noun) a valuable silver ore consisting of silver sulfide (Ag2S) | - |
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| biotite | (noun) dark brown to black mica found in igneous and metamorphic rock | - |
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| bipartite | (adjective) divided into two portions almost to the base | - |
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| (adjective) involving two parts or elements | Synonyms: two-part, two-way |
| carnotite | (noun) a yellow radioactive mineral; an ore of uranium and radium and vanadium | - |
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| celestite | (noun) a mineral consisting of strontium sulphate | - |
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| cementite | (noun) a chemical compound that is a constituent of steel and cast iron; very hard and brittle | Synonyms: iron carbide |
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| cobaltite | (noun) a rare silvery-white mineral; important ore of cobalt | - |
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| fluorapatite | (noun) a form of apatite in which fluorine predominates over chlorine | - |
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| haematite | (noun) the principal form of iron ore; consists of ferric oxide in crystalline form; occurs in a red earthy form | Synonyms: hematite |
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| hematite | (noun) the principal form of iron ore; consists of ferric oxide in crystalline form; occurs in a red earthy form | Synonyms: haematite |
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| magnetite | (noun) an oxide of iron that is strongly attracted by magnets | Synonyms: magnetic iron-ore |
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| massicotite | (noun) the mineral form of lead monoxide; in the form of yellow powder it is used as a pigment | Synonyms: massicot |
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| multipartite | (adjective) involving more than two parties | - |
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| pegmatite | (noun) a form of igneous rock consisting of extremely coarse granite resulting from the crystallization of magma rich in rare elements | - |
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| peridotite | (noun) a dark coarse-grained igneous rock consisting principally of olivine | - |
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| petite | (adjective) very small | Synonyms: bantam, diminutive, flyspeck, lilliputian, midget, tiny |
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| (noun) a garment size for short or slender women | - |
| pyrrhotite | (noun) a brownish iron sulfide mineral (FeS) having weak magnetic properties | Synonyms: magnetic pyrites, pyrrhotine |
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| quadripartite | (adjective) involving four parties | Synonyms: four-party |
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| ratite | (noun) flightless birds having flat breastbones lacking a keel for attachment of flight muscles: ostriches, cassowaries, emus, moas, rheas, kiwis, elephant birds | Synonyms: flightless bird, ratite bird |
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| smaltite | (noun) a grey mineral consisting of cobalt arsenide and nickel; an important source of cobalt and nickel | - |
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| stalactite | (noun) a cylinder of calcium carbonate hanging from the roof of a limestone cave | - |
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| steatite | (noun) a soft heavy compact variety of talc having a soapy feel; used to make hearths and tabletops and ornaments | Synonyms: soap-rock, soaprock, soapstone |
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| tektite | (noun) thought to derive from meteorites | - |
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| thortveitite | (noun) a mineral consisting of scandium yttrium silicate; a source of scandium | - |
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| transvestite | (adjective) receiving sexual gratification from wearing clothing of the opposite sex | Synonyms: transvestic |
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| (noun) someone who adopts the dress or manner or sexual role of the opposite sex | Synonyms: cross-dresser |
| tripartite | (adjective) involving three parties or elements | Synonyms: three-party, three-way |
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