"Extinctive" Natural Recordings by Native Speakers
Extinctive refers to something that is capable of bringing about the disappearance or extermination of a species, genus, or family of organisms, usually due to unfavorable environmental or ecological conditions. In other words, it means the act of causing something to become extinct, or the state of being capable of killing or wiping out a range of living organisms.
Exterraneous refers to something that is outside or beyond the earth's boundaries, such as extraterrestrial life or extraterrestrial objects like planets, stars, and galaxies.
The word "extinction" refers to the state of no longer existing or being present. In biology, it specifically means the death or disappearance of a species, subspecies, or variety.