Xenobiology
//ˌzɛnəʊbaɪˈɒləd͡ʒi// noun
noun ·Uncommon ·Advanced level
Definitions
Noun
- 1 The speculative biology of extraterrestrial life forms. uncountable
"This massive skull is scored by deflected mass accelerator shots. The xenobiology files in your hardsuit computer can't identify the species. It must have been brought here from an unknown world."
- 2 The biology of life forms with nonstandard biochemistry or codes. uncountable
Example
More examples"I read the research paper "Xenobiology: A new form of life as the ultimate biosafety tool.""
Etymology
From xeno- + biology. Sometimes attributed to science-fiction author Robert A. Heinlein.
Related phrases
More for "xenobiology"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.