Post-glacial relative or belonging to (fourth and last quaternary) period after the thaw of planet Earth, makes 10. 000 years. It may refer to another glacial period if explicit. The last glacial period began 110 years ago. 000 years old and is called glaciation W'rm or Ice Age. Homo erectus erectus (anthropopithecus or also pitecanthropus) appeared at least 1.8 million years ago (Javan man). Some synonyms, words or similar expressions may be holocene, current interglacial period