xenobiology
noun
The investigation of extraterrestrial life forms; = exobiology.
Origin
1950s; earliest use found in Robert A. Heinlein (1907–1988), writer.
- red-handed
- red-handed howler
- red-handed tamarin
- red hardness
- red hare
- red hat
- red haw
- redhead
- red-headed
- red-headed duck
- red-headed finch
- red-headed honeyeater
- red-headed linnet
- red-headed pochard
- red-headed smew
- red-headed stepchild
- red-headed wigeon
- red-headed woodpecker
- Red Heart
- red-hearted
- red heat
- red-heeled
- red helleborine
- red hematite
- red hemp-nettle