atomic number 40
- noun
- Specialized
- Zirconium has the atomic number 40 in the periodic table.
Examples
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The atomic number 40 represents zirconium.
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The properties of atomic number 40 make it valuable for industrial applications.
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He studied the role of atomic number 40 in advanced metallurgy.
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Researchers used atomic number 40 as a shield in the nuclear reactor.
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Zirconium, known for its strength, has the atomic number 40 in the periodic table.
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In nuclear reactors, the atomic number 40 element is used for its stability.
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The atomic number 40 is important in identifying the properties of zirconium.
Synonyms
A shiny grey metal used in nuclear reactors and made from the mineral zircon
A chemical symbol for the metal zirconium used in nuclear reactors
Surface Forms
Morphology
The phrase is compositionally clear — a learner who knows 'atomic', 'number', and 'forty' will understand it denotes the atomic number 40 — but mapping that number to the element name zirconium requires domain-specific knowledge (the periodic table). Because the constituents give a clear structural clue but not the specific referent without extra knowledge, the expression is only partially predictable.
Etymology
Atomic number 40 shows which element is number 40 in the list of elements, and the element in that place is zirconium, so the phrase means 'zirconium'.