archaebacteria
— Noun
– English
～ considered ancient life forms that evolved separately from bacteria and blue-green algae
archaebacterium
— Noun
– English
～ considered ancient life forms that evolved separately from bacteria and blue-green algae
archaeobacteria
— Noun
– English
～ considered ancient life forms that evolved separately from bacteria and blue-green algae
archaeologic
— Adjective
– English
～ related to or dealing with or devoted to archaeology; "an archaeological dig"; "a dramatic archaeological discovery"
archaeological
— Adjective
– English
～ related to or dealing with or devoted to archaeology; "an archaeological dig"; "a dramatic archaeological discovery"
archaeologist
— Noun
– English
～ an anthropologist who studies prehistoric people and their culture
archaeology
— Noun
– English
～ the branch of anthropology that studies prehistoric people and their cultures
archaeopteryx
— Noun
– English
～ extinct primitive toothed bird of the Jurassic period having a long feathered tail and hollow bones; usually considered the most primitive of all birds
archaeornis
— Noun
– English
～ extinct primitive toothed bird with a long feathered tail and three free clawed digits on each wing
Archaeornithes
— Noun
– English
～ primitive reptile-like fossil birds of the Jurassic or early Cretaceous
archaeozoic
— Adjective
– English
～ of or belonging to earlier of two divisions of the Precambrian era; "archeozoic life forms"
Archaeozoic aeon
— Noun
– English
～ the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life
Archaeozoic
— Noun
– English
～ the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life
archaic
— Adjective
– English
～ so extremely old as seeming to belong to an earlier period; "a ramshackle antediluvian tenement"; "antediluvian ideas"; "archaic laws"
archaic
— Adjective
– English
～ little evolved from or characteristic of an earlier ancestral type; "archaic forms of life"; "primitive mammals"; "the okapi is a short-necked primitive cousin of the giraffe"
archaicism
— Noun
– English
～ the use of an archaic expression
archaise
— Verb
– English
～ give an archaic appearance of character to; "archaized craftwork"
archaism
— Noun
– English
～ the use of an archaic expression
archaist
— Noun
– English
～ an expert or collector of antiquities
archaist
— Noun
– English
～ a person who archaizes