Home › Words › X › xenosciencexenoscience/ˌzɛn.əˈsaɪ.əns/xenoscience means the science of extraterrestrial life.xenoscience is pronounced /ˌzɛn.əˈsaɪ.əns/.EtymologyFrom xeno- + science.nounThe science of extraterrestrial life.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.xenomicrobiology 83% match — The science of studying extraterrestrial microorganisms. vs xenoscience →xenogeology 79% match — The science of extraterrestrial geology. vs xenoscience →xenobacteriology 77% match — The science of studying extraterrestrial bacteria. vs xenoscience →xenology 76% match — The study of alien life. vs xenoscience →xenobiology 75% match — The speculative biology of extraterrestrial life forms. vs xenoscience →xenomorphology 74% match — The science or study of extraterrestrial biological structures. vs xenoscience →exoscience 73% match — Science concerning exoplanets and anything on them. vs xenoscience →xenoarchaeology 73% match — A fictional science concerned with the physical remains of alien cultures that may be found on planets which have been inhabited or visited by extraterrestrials. vs xenoscience →