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lanthanide

/ˈlænθənaɪd/

Meanings
noun
Any of the 14 rare earth elements from cerium (or from lanthanum) to lutetium in the periodic table; because their outermost orbitals are empty, they have very similar chemistry; below them are the actinides.

Examples :

"Many modern electronics rely on lanthanides, like neodymium, to create powerful magnets used in speakers and hard drives. "
element chemistry

Related Words

Illustration lutetium

lutetium noun

/ljuːˈtiːʃiəm/

A chemical element (symbol Lu) with an atomic number of 71, a silvery-white metal which resists corrosion in dry air.

"The scientist analyzed the sample to determine if it contained lutetium, a metal known for its resistance to corrosion. "

Illustration actinides

actinides noun

/ˈæktɪnaɪdz/

Any of the 14 radioactive elements of the periodic table that are positioned under the lanthanides, to which they have similar chemistry.

"My chemistry textbook explains that the actinides are a series of radioactive elements, including uranium and plutonium, located below the lanthanides on the periodic table. "

Illustration outermost

outermost adjective

/ˈaʊtɚmoʊst/

Outside; external.

"The outermost layer of the onion was paper-thin. "

Illustration powerful

powerful adjective

/ˈpaʊəfl/ /ˈpaʊɚfəl/

Having, or capable of exerting power, potency or influence.

"The new school principal is a powerful advocate for student success. "

Illustration lanthanides

lanthanides noun

/ˈlænθənaɪdz/

Any of the 14 rare earth elements from cerium (or from lanthanum) to lutetium in the periodic table; because their outermost orbitals are empty, they have very similar chemistry; below them are the actinides.

"Chemists studying the properties of the lanthanides group them together because these elements behave similarly in chemical reactions. "

Illustration electronics

electronics noun

/ɪˌlɛkˈtrɑnɪks/ /ˌɛlɛkˈtrɑnɪks/

The study and use of electrical devices that operate by controlling the flow of electrons or other electrically charged particles or by converting the flow of charged particles to or from other forms of energy.

"Electronics is a popular subject."

Illustration chemistry

chemistry noun

/ˈkɛm.ɪ.stɹi/

The branch of natural science that deals with the composition and constitution of substances and the changes that they undergo as a consequence of alterations in the constitution of their molecules.

"The chemistry class focused on how different elements combine to form new substances. "

Illustration periodic

periodic adjective

/ˌpɪə-/ /ˌpɪɹiˈɑdɪk/ /ˌpɜːɹaɪˈɒdɪk/

Relative to a period or periods.

"My doctor recommended periodic checkups for good health. "

Illustration orbitals

orbitals noun

/ˈɔːrbɪtəlz/ /ˈɔːrbɪdəlz/

A specification of the energy and probability density of an electron at any point in an atom or molecule.

"The chemistry textbook explained how different orbitals dictate the locations where electrons are most likely to be found around the atom's nucleus. "

Illustration elements

elements noun

/ˈel.ɪ.mənts/

One of the simplest or essential parts or principles of which anything consists, or upon which the constitution or fundamental powers of anything are based.

"Letters are the elements of written language."

Illustration lanthanum

lanthanum noun

/ˈlænθənəm/

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

"The chemistry student learned that lanthanum is a silvery metal used in some camera lenses. "

Illustration neodymium

neodymium noun

/nɪə(ʊ)ˈdɪmɪəm/ /ˌniː.oʊˈdɪmiəm/

A chemical element (symbol Nd) with an atomic number of 60: a hard, slightly malleable silvery metal that quickly tarnishes in air and moisture.

"The strong magnets in my headphones contain neodymium. "