Definition of hafnium in English:

hafnium

noun ˈhafnɪəmˈhæfniəm

mass noun

The chemical element of atomic number 72, a hard silver-grey metal of the transition series, resembling and often occurring with zirconium.
（化学元素）铪（符号： Hf ）
Example sentencesExamples
- Titanium is found in column four along with chemically similar zirconium, hafnium, and thorium.
- Gadolinium is a rare earth element, one of the elements that occurs in Row 6 of the periodic table between barium and hafnium.
- Samarium is a rare earth element, one of the elements that occupy the space in Row 6 of the periodic table between lanthanum and hafnium.
- In contrast with tungsten, hafnium does not interact readily with iron-rich material, but it does combine readily with the elements in rocks lacking in iron.
- For most of history, hafnium and zirconium were not clearly distinguished from each other.

Origin

1920s: modern Latin, from Hafnia, Latinized form of Danish Havn, former name of Copenhagen.

Definition of hafnium in US English:

hafnium

nounˈhæfniəmˈhafnēəm

The chemical element of atomic number 72, a hard silver-gray metal of the transition series, resembling and often occurring with zirconium.
（化学元素）铪（符号： Hf ）
Example sentencesExamples
- Titanium is found in column four along with chemically similar zirconium, hafnium, and thorium.
- Samarium is a rare earth element, one of the elements that occupy the space in Row 6 of the periodic table between lanthanum and hafnium.
- For most of history, hafnium and zirconium were not clearly distinguished from each other.
- Gadolinium is a rare earth element, one of the elements that occurs in Row 6 of the periodic table between barium and hafnium.
- In contrast with tungsten, hafnium does not interact readily with iron-rich material, but it does combine readily with the elements in rocks lacking in iron.

Origin

1920s: modern Latin, from Hafnia, Latinized form of Danish Havn, former name of Copenhagen.

词汇	hafnium
释义	Definition of hafnium in English: hafnium noun ˈhafnɪəmˈhæfniəm mass noun The chemical element of atomic number 72, a hard silver-grey metal of the transition series, resembling and often occurring with zirconium. （化学元素）铪（符号： Hf ） Example sentencesExamples Titanium is found in column four along with chemically similar zirconium, hafnium, and thorium. Gadolinium is a rare earth element, one of the elements that occurs in Row 6 of the periodic table between barium and hafnium. Samarium is a rare earth element, one of the elements that occupy the space in Row 6 of the periodic table between lanthanum and hafnium. In contrast with tungsten, hafnium does not interact readily with iron-rich material, but it does combine readily with the elements in rocks lacking in iron. For most of history, hafnium and zirconium were not clearly distinguished from each other. Origin 1920s: modern Latin, from Hafnia, Latinized form of Danish Havn, former name of Copenhagen. Definition of hafnium in US English: hafnium nounˈhæfniəmˈhafnēəm The chemical element of atomic number 72, a hard silver-gray metal of the transition series, resembling and often occurring with zirconium. （化学元素）铪（符号： Hf ） Example sentencesExamples Titanium is found in column four along with chemically similar zirconium, hafnium, and thorium. Samarium is a rare earth element, one of the elements that occupy the space in Row 6 of the periodic table between lanthanum and hafnium. For most of history, hafnium and zirconium were not clearly distinguished from each other. Gadolinium is a rare earth element, one of the elements that occurs in Row 6 of the periodic table between barium and hafnium. In contrast with tungsten, hafnium does not interact readily with iron-rich material, but it does combine readily with the elements in rocks lacking in iron. Origin 1920s: modern Latin, from Hafnia, Latinized form of Danish Havn, former name of Copenhagen.
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