noun a being from another planet or world; extraterrestrial
adjective belonging to a foreign country or nation; unfamiliar and disturbing or distasteful
In astronomy, an alien planet refers to a planet that is outside of our solar system.
In biology, an alien species refers to a species that is not native to a particular ecosystem.
In science fiction, aliens are often depicted as extraterrestrial beings from other planets.
In immigration law, an alien refers to a person who is not a citizen or national of the country in which they are residing.
In pop culture, aliens are a common theme in movies, TV shows, and books, often portrayed as intelligent life forms from other worlds.
In the context of science fiction writing, 'alien' refers to extraterrestrial beings or creatures from other planets.
In psychology, 'alien' can be used to describe feelings of detachment or disconnection from oneself or one's surroundings.
Astronomers use the term 'alien' to refer to any object or phenomenon that is not of or from Earth, such as alien planets or alien galaxies.
Immigration lawyers may use the term 'alien' to refer to a foreign national who is not a citizen of the country in which they are seeking legal status.
Astrobiologists study the possibility of alien life forms in other parts of the universe.
Futurists may use the term 'alien' in discussions about potential encounters with extraterrestrial civilizations in the future.
Xenobiologists study the potential biology of alien life forms that may exist on other planets.
Researchers who study extraterrestrial phenomena may use the term 'alien' to describe unknown or unidentified objects or entities.
Space engineers may use the term 'alien' to refer to technologies or materials that are not of Earth origin, such as alien spacecraft or alien alloys.
Cryptozoologists study reports of alleged encounters with mysterious or unknown creatures, including those that some believe to be aliens or extraterrestrial beings.