| cadmium | (noun) a soft bluish-white ductile malleable toxic bivalent metallic element; occurs in association with zinc ores | Synonyms: atomic number 48, Cd |
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| chromium | (noun) a hard brittle multivalent metallic element; resistant to corrosion and tarnishing | Synonyms: atomic number 24, Cr |
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| encomium | (noun) a formal expression of praise | Synonyms: eulogy, paean, panegyric, pean |
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| epithalamium | (noun) an ode honoring a bride and bridegroom | - |
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| fermium | (noun) a radioactive transuranic metallic element produced by bombarding plutonium with neutrons | Synonyms: atomic number 100, Fm |
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| holmium | (noun) a trivalent metallic element of the rare earth group; occurs together with yttrium; forms highly magnetic compounds | Synonyms: atomic number 67, Ho |
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| neodymium | (noun) a yellow trivalent metallic element of the rare earth group; occurs in monazite and bastnasite in association with cerium and lanthanum and praseodymium | Synonyms: atomic number 60, Nd |
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| osmium | (noun) a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known | Synonyms: atomic number 76, Os |
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| praseodymium | (noun) a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process | Synonyms: atomic number 59, Pr |
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| premium | (noun) the amount that something in scarce supply is valued above its nominal value | - |
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| (noun) payment or reward (especially from a government) for acts such as catching criminals or killing predatory animals or enlisting in the military | Synonyms: bounty |
| (noun) payment for insurance | Synonyms: insurance premium |
| (noun) a fee charged for exchanging currencies | Synonyms: agio, agiotage, exchange premium |
| (noun) a prize, bonus, or award given as an inducement to purchase products, enter competitions initiated by business interests, etc. | - |
| prothalamium | (noun) a song in celebration of a marriage | Synonyms: prothalamion |
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| trichodesmium | (noun) large colonial bacterium common in tropical open-ocean waters; important in carbon and nitrogen fixation | - |
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