(chemistry) Any of the 15 rare earth elements from lanthanum to lutetium in the periodic table; because their outermost orbitals are not filled, they have very similar chemistry; below them are the actinides.
Used in a Sentence
lanthanide
Definitions, parts of speech, synonyms, and sentence examples for lanthanide.
Editorial note
The drug is a chelator that has a special affinity for heavy metals in the lanthanide group, which happen to be some of the more toxic metals.
Examples17
Definitions3
Parts of speech1
Quick take
(chemistry) Any of the 15 rare earth elements from lanthanum to lutetium in the periodic table; because their outermost orbitals are not filled, they have very similar chemistry; below them are the actinides.
Meaning at a glance
The clearest senses and uses of lanthanide gathered in one view.
(chemistry) Any of the 14 rare earth elements from lanthanum to ytterbium (lutetium is excluded by some authors as it is a d-block rather than an f-block element).
(chemistry, dated) Any of the 14 rare earth elements from cerium to lutetium (lanthanum having been excluded because it was thought to be a d-block element in the past).
Definitions
Core meanings and parts of speech for lanthanide.
noun
(chemistry) Any of the 15 rare earth elements from lanthanum to lutetium in the periodic table; because their outermost orbitals are not filled, they have very similar chemistry; below them are the actinides.
See also: rare-earth, lanthanon
noun
(chemistry) Any of the 14 rare earth elements from lanthanum to ytterbium (lutetium is excluded by some authors as it is a d-block rather than an f-block element).
See also: rare-earth, lanthanon
noun
(chemistry, dated) Any of the 14 rare earth elements from cerium to lutetium (lanthanum having been excluded because it was thought to be a d-block element in the past).
See also: rare-earth, lanthanon
Example sentences
The drug is a chelator that has a special affinity for heavy metals in the lanthanide group, which happen to be some of the more toxic metals.
We show that on average the disk outflow lanthanide fraction is suppressed relative to the solar isotopic pattern.
This is quite similar to some lanthanide (4f) elements like cerium, which also show strange variety of allotropes.
And, now that iron-nitrogen magnets can be used in place of the lanthanide magnets, much less will be needed.
Nobody wants to deal with the regulations around that, so all the lanthanide mines and refineries closed.
Those are placeholders for the two rows (lanthanide and actinide series) below the main table.
In certain places such as Yterby and the site mentioned in the original article, ore contains a concentrated mix of many lanthanide compounds.
Clean is hard to find, processing lanthanide concentrates creates radioactive waste.
High Density of Lanthanide and Actinide group minerals.
Just what we need - more heavy metals polluting our air, forming oxides with members of the Actinide and Lanthanide groups from their vaporized processors.
Original research article: More information: Yongming Luo et al, Quantitative tracing of uptake and transport of submicrometre plastics in crop plants using lanthanide chelates as a dual-functional tracer, Nature Nanotechnology (2022).
It looks like a cost/benefit decision not to recover it: Of the 200 kilogram lanthanide mass removed by liquid metal extraction, we estimate that approximately 20 kilograms will be actinide contaminant with a longer half-life similar to SNF.
Quote examples
Those are "any of a group of chemically similar metallic elements comprising the lanthanide series and (usually) scandium and yttrium.
But scandium and yttrium are not used in magnets, so they would confuse people less by saying "lanthanide magnet" instead of "rare-earth magnet".
It mentions that" can be shortened to "The article mentions that." In particular, I was replying to Lanthanide’s comment on the system in Saudi Arabia.
No, “rare earth minerals” are referring to an exact section of the periodic table, referring to exactly 17 elements, like “lanthanide series” or “noble gases”.
Proper noun examples
Lanthanide (and Actinides) are difficult to handle, computationally.
Frequently asked questions
Short answers drawn from the clearest meanings and examples for this word.
How do you use lanthanide in a sentence?
The drug is a chelator that has a special affinity for heavy metals in the lanthanide group, which happen to be some of the more toxic metals.
What does lanthanide mean?
(chemistry) Any of the 15 rare earth elements from lanthanum to lutetium in the periodic table; because their outermost orbitals are not filled, they have very similar chemistry; below them are the actinides.
What part of speech is lanthanide?
lanthanide is commonly used as noun.