Intergalactic (adjective)

1. Relating to or occurring between galaxies.
2. Pertaining to the space or matter that exists between galaxies.

Origin:

From the latin word "inter" meaning "between" and "galacticus" meaning "pertaining to a galaxy".

Examples:

1. Scientists are studying the intergalactic medium to understand how galaxies form and evolve.
2. The intergalactic gas clouds were observed to be rich in heavy elements.
3. Intergalactic travel is a popular theme in science fiction novels and movies.
4. The telescope was able to capture images of distant intergalactic objects.
5. The intergalactic collision created a new galaxy.