Lanthanide-series
noun, Chemistry.
1.
the series of rare-earth elements of atomic numbers 57 through 71 (lanthanum through lutetium).
noun
1.
a class of 15 chemically related elements with atomic numbers from 57 (lanthanum) to 71 (lutetium)
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- Lanthanum
[lan-thuh-nuh m] /ˈlæn θə nəm/ noun, Chemistry. 1. a rare-earth, trivalent, metallic element, allied to aluminum, found in certain minerals, as monazite. Symbol: La; atomic weight: 138.91; atomic number: 57; specific gravity: 6.15 at 20°C. /ˈlænθənəm/ noun 1. a silvery-white ductile metallic element of the lanthanide series, occurring principally in bastnaesite and monazite: used in […]
- Lanthorn
[lant-hawrn, lan-tern] /ˈlæntˌhɔrn, ˈlæn tərn/ noun, Archaic. 1. . /ˈlæntˌhɔːn; ˈlæntən/ noun 1. an archaic word for lantern
- Lantirn
low altitude navigation and targeting infrared for night
- Lantsang
[lahn-tsahng] /ˈlɑnˈtsɑŋ/ noun 1. Chinese name of .
- Lanuginous
[luh-noo-juh-nohs, -nyoo-] /ləˈnu dʒəˌnoʊs, -ˈnyu-/ adjective 1. covered with lanugo, or soft, downy hairs. 2. of the nature of down; downy. lanuginous la·nu·gi·nous (lə-nōō’jə-nəs, -nyōō’-) or la·nu·gi·nose (-nōs’) adj. Being covered with soft, short hair; downy. la·nu’gi·nous·ness n.