fluorine-18 meaning
ENWFluorine-18
- Fluorine is an univalent poisonous gaseous halogen, it is pale yellow-green and it is the most chemically reactive and electronegative of all the elements.
- Applications
- Atomic fluorine and molecular fluorine are used for plasma etching in semiconductor manufacturing, flat panel display production and MEMs fabrication.
- Fluorine-18 (18F) is a fluorine radioisotope which is an important source of positrons. It has a mass of 18.0009380(6) u and its half-life is 109.771(20) minutes. It decays by positron emission 97% of the time and electron capture 3% of the time.
- NounPREfluor-
- (physics) An artificial radioactive isotope of fluorine, 189F, having nine protons and nine neutrons, that is an important industrial source of positrons.
- (physics) An artificial radioactive isotope of fluorine, 189F, having nine protons and nine neutrons, that is an important industrial source of positrons.
Definition of fluorine-18 in English Dictionary
- Part-of-Speech Hierarchy
- Nouns
- Singularia tantum
- Uncountable nouns
- Uncountable nouns
- Singularia tantum
- Nouns
Other Vocabulary
Look-Alike Words- en fluorine-19
Source: Wiktionary
Grammatically, this word "fluorine-18" is a noun, more specifically, a singularia tantum.