archaeo-, archeo-, archae-, arche-, archa-, archi-, -arch
(Greek: original [first in time], beginning, first cause, origin, ancient, primitive, from the beginning; most basic)
Some scientists believe that archaea were the earliest forms of cellular life. Also called archaebacterium.
2. The time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms were the earliest forms of life.
3. Formed in the earlier of two divisions of the Precambrian era.
4. Noting or pertaining to the earlier half of the Precambrian Era, from about 5 billion to 2.5 billion years ago, during which the earliest datable rocks were formed and from which the oldest known fossil forms, blue-green algae and bacteria, have been recovered.
2. In a linguistic form, commonly used in an earlier time but rare in present-day usage except to suggest the older time, as in religious rituals or historical novels: Examples of archaic language usages include the following: "thou", "wast", "methinks", and "forsooth".
3. Forming the earliest stage; prior to full development: There was an archaic period of psychoanalytic research.
The company had to update its archaic computers because they were incapable of handling all of the data that was being installed into them.4. A reference to or designating the style of the fine arts: There are some archaic paintings and sculptures that were developed in Greece from the middle of the 7th to the early 5th century B.C., primarily characterized by an increased emphasis on the human figure in action with naturalistic proportions and anatomical structures; there are also simplicity of volumes, forms, or designs, and the evolution of a definitive style for the narrative treatment of subject matters.
5. A term used to describe an early stage in the development of civilization: In New World chronology, an archaic period existed just before the shift from hunting, gathering, and fishing to agricultural cultivation, pottery development, and village settlement.
Between 8000-1000 B.C., there were a series of archaic achievements which characterized certain periods: Early archaic 8000-5000 B.C., mixture of big-game hunting tradition with early archaic cultures; also marked by post-glacial climatic change in association with the disappearance of Late Pleistocene big game animals; then middle archaic cultures from 5000-2000 B.C., and a late archaic period 2000-1000 B.C.
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Neanderthals in Europe and Solo man in Asia are usually classed as archaic humans. According to one model of human evolution, widely separated but interbreeding archaic groups in different parts of the world evolved independently into today's physiologically distinct geographic populations.
They were decorated with geometric motifs, leaves, and other forms outlined in brown and set into green or brown backgrounds.
They were sold as far away as Spain, North Africa, and northern Europe. There seems to be a connection to earlier Byzantine and Persian products.
2. The origination of living matter from non-living matter.
3. Spontaneous generation; abiogenesis.