| 释义 |
Definition of holmium in English: holmiumnoun ˈhəʊlmɪəmˈhoʊlmiəm mass nounThe chemical element of atomic number 67, a soft silvery-white metal of the lanthanide series. Example sentencesExamples - During the procedure, a holmium laser is used to open channels in the wall of the heart to restore blood flow and oxygen.
- Holmium is extracted from its ores by heating calcium metal with holmium fluoride.
- Typically pulsed dye lasers or the holmium laser are used with very short pulses of high peak power to shatter the stones.
- This equipment will include ultrasound machines, endoscopes and a holmium laser, which can be used to treat some cancers on a non-invasive outpatient basis.
Origin Late 19th century: modern Latin, from Holmia, Latinized form of Stockholm (because many minerals of the yttrium group, to which holmium belongs, are found in that area); discovered by P.T. Cleve (1840–1905), Swedish chemist. Definition of holmium in US English: holmiumnounˈhoʊlmiəmˈhōlmēəm The chemical element of atomic number 67, a soft silvery-white metal of the lanthanide series. Example sentencesExamples - This equipment will include ultrasound machines, endoscopes and a holmium laser, which can be used to treat some cancers on a non-invasive outpatient basis.
- Holmium is extracted from its ores by heating calcium metal with holmium fluoride.
- During the procedure, a holmium laser is used to open channels in the wall of the heart to restore blood flow and oxygen.
- Typically pulsed dye lasers or the holmium laser are used with very short pulses of high peak power to shatter the stones.
Origin Late 19th century: modern Latin, from Holmia, Latinized form of Stockholm (because many minerals of the yttrium group, to which holmium belongs, are found in that area); discovered by P.T. Cleve (1840–1905), Swedish chemist. |