diffuse atomic cloud

[dɪˈfjuːs əˈtɒmɪk klaʊd]
nounpl: diffuse atomic clouds
nuvem atômica difusa
1. A dispersed or spread-out collection of individual atoms that are not densely concentrated, often found in interstellar space or created in laboratory conditions
The diffuse atomic cloud near the nebula contains primarily hydrogen and helium atoms.
A nuvem atômica difusa perto da nebulosa contém principalmente átomos de hidrogênio e hélio.
2. In astrophysics, a region of space where atoms are dispersed with low density compared to other cosmic structures
Astronomers observed a diffuse atomic cloud using radio frequency spectroscopy.
Os astrônomos observaram uma nuvem atômica difusa usando espectroscopia de frequência de rádio.
This is primarily a scientific and technical term used in astronomy and physics. It appears in academic publications, research papers, and educational materials in both English-speaking countries and Brazil. There is no colloquial usage of this term outside of scientific contexts.
Synonyms / Sinônimos
diffuse cloudatomic gas clouddispersed atomic mediumlow-density atomic region
Antonyms / Antônimos
dense atomic cloudconcentrated atomic clustercompact stellar object

Regional Variations

General Brazilian Portuguese
nuvem atômica difusa
Standard term used in Brazilian scientific and academic contexts
Portugal
nuvem atómica difusa
Portuguese spelling variant using 'atómica' instead of 'atômica'
Scientific English
diffuse atomic cloud / DAC
Often abbreviated as DAC in technical literature and research papers

Related Words

interstellar mediumatomic hydrogennebulastellar windionized gascosmic dust

Related Idioms & Phrases

in the clouds - describing something that is abstract or dispersed
thin as a cloud - describing something with low density
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