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The example sentences of HAFNIUM in videos (3 in total of 5)

When a Billion Years Disappeared English (null)
so adverb by preposition or subordinating conjunction looking verb, gerund or present participle at preposition or subordinating conjunction the determiner ratios noun, plural of preposition or subordinating conjunction different adjective hafnium noun, singular or mass isotopes noun, plural in preposition or subordinating conjunction these determiner zircons noun, plural and coordinating conjunction dating verb, gerund or present participle the determiner zircons noun, plural
The Rarest Element on Earth English (US)
right proper noun, singular below preposition or subordinating conjunction hafnium verb, base form we personal pronoun have verb, non-3rd person singular present uranium noun, singular or mass , occurring verb, gerund or present participle at preposition or subordinating conjunction only adverb 2.7 cardinal number parts noun, plural per preposition or subordinating conjunction million cardinal number in preposition or subordinating conjunction the determiner crust noun, singular or mass .
Will Graphene Replace Silicon? - Computerphile English (null)
the determiner surface noun, singular or mass for preposition or subordinating conjunction mosfets proper noun, singular the determiner interface noun, singular or mass between preposition or subordinating conjunction the determiner silicon noun, singular or mass and coordinating conjunction the determiner oxide noun, singular or mass or coordinating conjunction the determiner hafnium noun, singular or mass oxide noun, singular or mass

Definition and meaning of HAFNIUM

What does "hafnium mean?"
hafnium

/ˈhafnēəm/

noun
Grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons.

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