Hello, you have come here looking for the meaning of the word
MACS. In DICTIOUS you will not only get to know all the dictionary meanings for the word
MACS, but we will also tell you about its etymology, its characteristics and you will know how to say
MACS in singular and plural. Everything you need to know about the word
MACS you have here. The definition of the word
MACS will help you to be more precise and correct when speaking or writing your texts. Knowing the definition of
MACS, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.
English
Proper noun
MACS
- (astronomy) Abbreviation of MAssive Cluster Survey. A survey for a statistically complete sample of distant (0.7>z>0.3) very X-ray luminous massive clusters of galaxies (“galaxy clusters”), culled from the ROSAT Bright Source Catalogue of X-ray sources