archean, archaean
(adjective) of or relating to the earliest known rocks formed during the Precambrian Eon
Source: WordNet® 3.1
archaean (plural archaeans)
(biology) Any organism of the domain Archaea.
Archaean (not comparable)
(geology) Of, or relating to the geologic eon from about 3,800 to 2,500 million years ago; comprises the Eoarchean, Paleoarchean, Mesoarchean and Neoarchean eras; marked by an atmosphere with little oxygen, the formation of the first continents and oceans and the emergence of simple life.
Archaean
(geology) The eon from 2,500 Ma to 4,000 Ma.
• (eon 2,500–4,000 Ma): Precambrian
• (eon 2,500–4,000 Ma): Eoarchaean, Paleoarchaean, Mesoarchaean, Neoarchaean
• (eon 2,500–4,000 Ma): Hadean, Proterozoic - eons in Precambrian
Source: Wiktionary
Ar*chæ"an, a. Etym: [Gr.
Definition: Ancient; pertaining to the earliest period in geological history.
Ar*chæ"an, n. (Geol.)
Definition: The earliest period in geological period, extending up to the Lower Silurian. It includes an Azoic age, previous to the appearance of life, and an Eozoic age, including the earliest forms of life.
Note: This is equivalent to the formerly accepted term Azoic, and to the Eozoic of Dawson.
Source: Webster’s Unabridged Dictionary 1913 Edition
22 April 2025
(adjective) made smooth and bright by or as if by rubbing; reflecting a sheen or glow; “bright silver candlesticks”; “a burnished brass knocker”; “she brushed her hair until it fell in lustrous auburn waves”; “rows of shining glasses”; “shiny black patents”
Coffee is a brewed drink prepared from roasted coffee beans, the seeds of berries from certain Coffea species. When coffee berries turn from green to bright red – indicating ripeness – they are picked, processed, and dried. Dried coffee seeds are roasted to varying degrees, depending on the desired flavor.
