quaternary 的 2 个定义
- consisting of four.
- arranged in fours.
- Geology. noting or pertaining to the present period of earth history, forming the latter part of the Cenozoic Era, originating about 2 million years ago and including the Recent and Pleistocene Epochs.
- Metallurgy. having four principal constituents.
plural quat·er·nar·ies.
- a group of four.
- the number four.
- Geology. the Quaternary Period or System.
quaternary 近义词
等同于 four
quaternary 的近义词 7 个
等同于 four
更多quaternary例句
- El Centro Regional is not a tertiary or quaternary care center, meaning it’s not a hospital with extensive specialty service or care.
- And the bones of man himself appear, extending through what is known as the Quaternary or Pleistocene period.
- Subspeciation has been enhanced by the late Quaternary mountain building which was prevalent over the western United States.
- A distinct species characterised the Quaternary deposits of South America.
- The Tertiary and Quaternary formations are partly of marine and partly of terrestrial and fresh-water origin.
- The Post-tertiary or Quaternary division comprises the concluding chapters of geological history.