Meteoroid and Meme

Meteoroid noun - (astronomy) any of the small solid extraterrestrial bodies that hits the earth's atmosphere.

Meme and meteoroid are semantically related. In some cases you can use "Meme" instead a noun "Meteoroid".

Meme noun - A cultural unit (an idea or value or pattern of behavior) that is passed from one person to another by non-genetic means (as by imitation).

Meteoroid and meme are semantically related. You can use "Meteoroid" instead a noun "Meme".