English version

extinct in Geology topic

From Longman Dictionary of Contemporary Englishextinctex‧tinct /ɪkˈstɪŋkt/ ●●○ adjective  1 EXISTan extinct type of animal or plant does not exist anymore Dinosaurs have been extinct for millions of years. Pandas could become extinct in the wild. an extinct species2 EXISTif a type of person, custom, skill etc is extinct, it does not exist in society anymore3 HEan extinct volcano does not erupt anymore opp active
Examples from the Corpus
extinctThe white rhino is now almost extinct.There are several theories as to why the dinosaurs become extinct?All of them were marine and all of them are extinct.The adonis blue and silver-skipper butterflies are all but extinct.Cuvier noticed that the most recently extinct creatures such as the mammoth were closely related to living species.But there was no laughter, and he had to remember that Browning Societies had been extinct for a long time.Both are about modern paleontologists who encounter groups of hominids thought extinct for eons.The most chilling exhibit space is a room that holds species that are extinct or endangered.The valley contains fossils of many extinct species.Once extinct this wonderful animal will be gone for ever.become extinctWe are, I fear, in danger of becoming extinct.If nothing is done to save the whales now, the species will soon become extinct.Back in the 1950s Jim Corbett gave the tiger ten years before it became extinct.Can we comfort ourselves with a freezer full of cells as species disappear and the wild itself becomes extinct?If extinction is repeated, the behavior will eventually disappear or become extinct.Marriage and the family as we have known them are becoming extinct.This is because where selfishness brings higher rewards than altruism, selfish individuals leave more descendants, so altruists inevitably become extinct.It had Breton blood but, like the Breton, was heavily crossed with the Friesian and became extinct by the 1960s.Dinosaurs became extinct millions of years ago.It is estimated that over 30 species have become extinct while waiting for a listing.