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Also called Indianite. A mineral from the lime-rich end of the plagioclase group of minerals. Anorthites are usually silicates of calcium and aluminium occurring in some basic igneous rocks, typically those produced by the contact metamorphism of impure calcareous sediments. anticline An arched fold in which the layers usually dip away from the fold axis. Contrast syncline. aphanic Having the ...
This is a list of English words inherited and derived directly from the Old English stage of the language. This list also includes neologisms formed from Old English roots and/or particles in later forms of English, and words borrowed into other languages (e.g. French, Anglo-French, etc.) then borrowed back into English (e.g. bateau, chiffon, gourmet, nordic, etc.).
Examples include "Vietnamese", describing a person from Vietnam; "Detroiter" for a person from the city of Detroit, Michigan; and "Macedonian" for a person from North Macedonia or the wider historical region of Macedonia. denudation The uncovering of deeper layers of rock by any natural process, e.g. erosion, weathering, or mass movement. [4]
The time required for a quantity to fall to half its value as measured at the beginning of the time period. In physics, half-life typically refers to a property of radioactive decay, but may refer to any quantity which follows an exponential decay. Hamilton's principle Hamiltonian mechanics harmonic mean heat
Since modern dictionaries are mostly descriptive and no longer prescribe outdated forms, they increasingly list unaccented forms, though some dictionaries, such as the Oxford English Dictionary, do not list the unaccented variants of particular words (e.g., soupçon). Words that retain their accents often do so to help indicate pronunciation (e ...
Many other words have -er in British English. These include Germanic words, such as anger, mother, timber and water, and such Romance-derived words as danger, quarter and river. The ending -cre, as in acre, [26] lucre, massacre, and mediocre, is used in both British and American English to show that the c is pronounced /k/ rather than /s/.
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In scholarly writing, a. e. c. is the equivalent of the English "BCE", "antes de la era común" or "Before the Common Era". [ 86 ] In Welsh , OC can be expanded to equivalents of both AD ( Oed Crist ) and CE ( Oes Cyffredin ); for dates before the Common Era, CC (traditionally, Cyn Crist ) is used exclusively, as Cyn yr Oes Cyffredin would ...