English-Thai Dictionary
molybdenum
N ธาตุช นิดหนึ่ง tad-cha-nid-nuang
Webster's 1828 Dictionary
MOLYBDENUM
n.A metal which has not been reduced into masses of any magnitude, but has been obtained only in small separate globules, in a blackish, brilliant mass. These are brittle and extremely infusible. The most common natural compound of this metal is a sulphuret.
Webster's 1913 Dictionary
MOLYBDENUM
Mol `yb *de "num, n. Etym: [NL. : cf. F. molybdène. See Molybdena. ](Chem. )
Defn: 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 metal. Symbol Mo. Atomic weight 95.9.
New American Oxford Dictionary
molybdenum
mo lyb de num |məˈlibdənəm məˈlɪbdənəm | ▶noun the chemical element of atomic number 42, a brittle silver-gray metal of the transition series, used in some alloy steels. (Symbol: Mo ) ORIGIN early 19th cent.: modern Latin, earlier molybdena (originally denoting a salt of lead ), from Greek molubdaina ‘plummet, ’ from molubdos ‘lead. ’
Oxford Dictionary
molybdenum
molybdenum |məˈlɪbdənəm | ▶noun [ mass noun ] the chemical element of atomic number 42, a brittle silver-grey metal of the transition series, used in some alloy steels. (Symbol: Mo ) ORIGIN early 19th cent.: modern Latin, earlier molybdena (originally denoting a salt of lead ), from Greek molubdaina ‘plummet ’, from molubdos ‘lead ’.
Sanseido Wisdom Dictionary
molybdenum
mo lyb de num /məlɪ́bd (ə )nəm /名詞 U 〘化 〙モリブデン 〘金属元素, ｟記号 ｠Mo 〙.
The Wordsmith Dictionary