xenobiological adj.

Our xenobiologically-minded authors poured in reports on astonishing alien beings; and readers still cherish the memory of such fascinating creatures as Theodore Sturgeon’s often-reprinted hurkle.

And I might suggest a more regulated intake of oxygen. Your present rate of consumption intrigues me only as a xenobiological curiosity. Save it for those it may affect.

Jack, who is a very helpful person and a stickler for xenobiological verisimilitude, is senior lecturer in animal reproduction at the University of Birmingham in England.

How will you ever increase your understanding of xenobiological forms unless you examine closely whatever samples come your way?

Unlike in the outlying districts of the city, where xenobiological specimens flourished without restraint, this garden was designed and tended by a team of the finest off-world horticulturists.

An isolated planet with a minimal level of technology, World would be of interest only to a few xenobiological specialists if not for its relics of the vanished ancient civilization which created the space tunnels between star systems.

Certainly nobody on Earth knew about them. Which is surprising. From a xenobiological viewpoint I cannot overstate how important they are.

I wasn’t employed by the Ecomission’s endangered-species branch. My paycheck came from its enforcement arm: the Ecoservice Agency. And I wasn’t just another xenobiological troubleshooter. My title was Special Agent Extraordinary. I'd been so good at forensic ecology, the Agency had declared me its premier investigator.

In the meantime, he kept himself busy talking to Charlie, and to Jeremy—through Charlie—and writing exhaustive reports on the data he could collect in between Charlie’s xenobiological pursuits.