What is the opposite of warm-hot intergalactic medium?
We do not currently know of any antonyms for warm-hot intergalactic medium.
The noun warm-hot intergalactic medium is defined as:
A sparse, warm-to-hot (105 to 107 K) plasma that cosmologists believe to exist in the spaces between galaxies and to contain 40–50% of the baryons in the universe at the current epoch.