Molybdena
Molybdena \Mol`yb*de"na\, n. [L. molybdaena galena, Gr. ?, fr. ? lead.] (Min.) See {Molybdenite}. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • molybdena — mo·lyb·de·na …   English syllables

  • molybdena — məˈlibdənə noun ( s) Etymology: New Latin, from Latin molybdaena galena, from Greek molybdaina, from molybdos lead 1. obsolete a …   Useful english dictionary

  • Molybdenum — niobium ← molybdenum → technetium Cr ↑ Mo ↓ W …   Wikipedia

  • Group 6 element — Group → 6 ↓ Period 4 24 Cr 5 …   Wikipedia

  • molybdenum — n. Chem. a silver white brittle metallic transition element occurring naturally in molybdenite and used in steel to give strength and resistance to corrosion. Usage: Symb.: Mo. Etymology: mod.L, earlier molybdena, orig. = molybdenite, lead ore: L …   Useful english dictionary

  • Molybdenite — Mo*lyb de*nite, n. [Cf. F. molybd[ e]nite. See {Molybdena}.] (Min.) A mineral occurring in soft, lead gray, foliated masses or scales, resembling graphite; sulphide of molybdenum. [1913 Webster] …   The Collaborative International Dictionary of English

  • Molybdenum — Mol yb*de num, n. [NL.: cf. F. molybd[ e]ne. See {Molybdena}.] (Chem.) A rare element of the chromium group, occurring in nature in the minerals molybdenite and wulfenite, and when reduced obtained as a hard, silver white, difficulty fusible… …   The Collaborative International Dictionary of English

  • Molybdic — Mo*lyb dic, a. [Cf. F. molybdique. See {molybdena}.] (Chem.) Of, pertaining to, or containing, molybdenum; specif., designating those compounds in which the element has a higher valence, as contrasted with {molybdous} compounds; as, molybdic… …   The Collaborative International Dictionary of English

  • Molybdous — Mo*lyb dous, a. [See {Molybdena}.] Of, pertaining to, or containing, molybdenum; specif., designating those compounds in which molybdenum has a lower valence as contrasted with {molybdic} compounds. [1913 Webster] …   The Collaborative International Dictionary of English

  • molybdenite — noun Etymology: New Latin molybdena Date: 1837 a metallic gray usually foliated mineral consisting of molybdenum disulfide that is a major ore of molybdenum …   New Collegiate Dictionary

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