Archaeomagnetism
noun
an archaeological technique for dating certain clay objects by measuring the extent to which they have been magnetized by the earth’s magnetic field
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- Archaeomagnetism dating
the dating of archaeological specimens by determination of the magnetic alignment of objects containing ferromagnetic materials, as baked clay pots, within undisturbed archaeological sites.
- Archaeometry
the branch of archaeology that deals with the dating of archaeological specimens through specific techniques, as radiocarbon dating and amino-acid dating.
- Archaeon
. archaeon (är’kē-ŏn’) Plural archaea Any of a group of microorganisms that resemble bacteria but are different from them in certain aspects of their chemical structure, such as the composition of their cell walls. Archaea usually live in extreme, often very hot or salty environments, such as hot mineral springs or deep-sea hydrothermal vents, but […]
- Archaeopteryx
a reptilelike fossil bird of the genus Archaeopteryx, from the late Jurassic Period, having teeth and a long, feathered, vertebrate tail. Historical Examples It is in this matter that the famous archaeopteryx plays an important part. At the Deathbed of Darwinism Eberhard Dennert The birds we described (after the archaeopteryx) also belong to the Cretaceous, […]
- Archaeornis
noun an extinct primitive Jurassic bird, formerly placed in the genus Archaeornis but now thought to be a species of archaeopteryx