different between lanthanum vs ferrokentbrooksite

English

Alternative forms

• lantanium (obsolete)
• lanthanium (obsolete)

Etymology

From Ancient Greek ??????? (lanthán?, “to escape notice”) +? -um (“a chemical element”), because it had gone long undetected in mineral ores.

Pronunciation

• enPR: l?n'th?n?m, IPA^(key): /?læn??n?m/

Noun

lanthanum (countable and uncountable, plural lanthanums)

1. (uncountable) A chemical element (symbol La) with an atomic number of 57: a soft, ductile, silvery-white metal that tarnishes slowly when exposed to air.
2. (countable) An atom of this element.

Synonyms

• La

Derived terms

Related terms

Translations

See also

• Fosrenol
• rare earth

Latin

Pronunciation

• (Classical) IPA^(key): /?lan.t?a.num/, [???än?t??än???]
• (Ecclesiastical) IPA^(key): /?lan.ta.num/, [?l?n?t??num]

Noun

lanthanum n (genitive lanthan?); second declension

1. lanthanum

Declension

Second-declension noun (neuter).

Limburgish

Pronunciation

• IPA^(key): [l??n?ða??n??m]

Noun

lanthanum n

1. (uncountable) lanthanum
2. A part of lanthanum

Inflection

English

Etymology

ferro- +? kentbrooksite

Noun

ferrokentbrooksite

1. (mineralogy) A trigonal-ditrigonal pyramidal mineral containing aluminum, calcium, chlorine, fluorine, hafnium, hydrogen, iron, manganese, niobium, oxygen, potassium, silicon, sodium, strontium, tantalum, titanium, yttrium, and zirconium, as well as lanthanum, cerium, praeseodymium, neodymium, and samarium.

References

• David Barthelmy (1997–2021) , “Ferrokentbrooksite”, in Webmineral Mineralogy Database