Definition of thulium in English:

thulium

noun ˈθ(j)uːlɪəmˈθ(j)uliəm

mass noun

The chemical element of atomic number 69, a soft silvery-white metal of the lanthanide series.
（化学元素）铥（符号： Tm ）
Example sentencesExamples
- Each segment contains small amounts of ions of relatively rare metals, such as dysprosium, thulium, and cerium, which fluoresce in different colors.
- The thulium material never recovers from the upwards resistive change, and continues recovery to the normal state as the compound is further cooled.
- The main rare-earth ions used are thulium (for devices operating at 1450 to 1510 nm) and erbium.
- The pure metal can be produced by treating thulium fluoride with calcium metal.
- The American chemist C. James performed 15,000 recrystallizations before pure thulium bromate was obtained.

Origin

Late 19th century: modern Latin, from Latin Thule (see Thule (sense 1)), from Greek Thoulē, of unknown origin.

Definition of thulium in US English:

thulium

nounˈθ(j)uliəmˈTH(y)o͞olēəm

The chemical element of atomic number 69, a soft silvery-white metal of the lanthanide series.
（化学元素）铥（符号： Tm ）
Example sentencesExamples
- The thulium material never recovers from the upwards resistive change, and continues recovery to the normal state as the compound is further cooled.
- The main rare-earth ions used are thulium (for devices operating at 1450 to 1510 nm) and erbium.
- The pure metal can be produced by treating thulium fluoride with calcium metal.
- Each segment contains small amounts of ions of relatively rare metals, such as dysprosium, thulium, and cerium, which fluoresce in different colors.
- The American chemist C. James performed 15,000 recrystallizations before pure thulium bromate was obtained.

Origin

Late 19th century: modern Latin, from Latin Thule (see Thule (sense 1)), from Greek Thoulē, of unknown origin.

单词	thulium
释义	Definition of thulium in English: thulium noun ˈθ(j)uːlɪəmˈθ(j)uliəm mass noun The chemical element of atomic number 69, a soft silvery-white metal of the lanthanide series. （化学元素）铥（符号： Tm ） Example sentencesExamples Each segment contains small amounts of ions of relatively rare metals, such as dysprosium, thulium, and cerium, which fluoresce in different colors. The thulium material never recovers from the upwards resistive change, and continues recovery to the normal state as the compound is further cooled. The main rare-earth ions used are thulium (for devices operating at 1450 to 1510 nm) and erbium. The pure metal can be produced by treating thulium fluoride with calcium metal. The American chemist C. James performed 15,000 recrystallizations before pure thulium bromate was obtained. Origin Late 19th century: modern Latin, from Latin Thule (see Thule (sense 1)), from Greek Thoulē, of unknown origin. Definition of thulium in US English: thulium nounˈθ(j)uliəmˈTH(y)o͞olēəm The chemical element of atomic number 69, a soft silvery-white metal of the lanthanide series. （化学元素）铥（符号： Tm ） Example sentencesExamples The thulium material never recovers from the upwards resistive change, and continues recovery to the normal state as the compound is further cooled. The main rare-earth ions used are thulium (for devices operating at 1450 to 1510 nm) and erbium. The pure metal can be produced by treating thulium fluoride with calcium metal. Each segment contains small amounts of ions of relatively rare metals, such as dysprosium, thulium, and cerium, which fluoresce in different colors. The American chemist C. James performed 15,000 recrystallizations before pure thulium bromate was obtained. Origin Late 19th century: modern Latin, from Latin Thule (see Thule (sense 1)), from Greek Thoulē, of unknown origin.
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