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HLX. In DICTIOUS you will not only get to know all the dictionary meanings for the word
HLX, but we will also tell you about its etymology, its characteristics and you will know how to say
HLX in singular and plural. Everything you need to know about the word
HLX you have here. The definition of the word
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English
Noun
HLX (plural HLXs)
- Abbreviation of hyperluminous X-ray source.; An astrophysical X-ray source more luminous that ultraluminous X-ray sources (ULXs)
- ULX (“ultra-luminous X-ray source”)
- HLIRG (“hyper-luminous infra-red galaxy”)