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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 ...
Also amphidrome and tidal node. A geographical location where there is little or no tide, i.e. where the tidal amplitude is zero or nearly zero because the height of sea level does not change appreciably over time (meaning there is no high tide or low tide), and around which a tidal crest circulates once per tidal period (approximately every 12 hours). Tidal amplitude increases, though not ...
The longest word whose letters are in alphabetical order is the eight-letter Aegilops, a grass genus. However, this is arguably a proper noun. There are several six-letter English words with their letters in alphabetical order, including abhors, almost, begins, biopsy, chimps and chintz. [32]
Amethyst crystals – a purple quartz Apophyllite crystals sitting right beside a cluster of peachy bowtie stilbite Aquamarine variety of beryl with tourmaline on orthoclase Arsenopyrite from Hidalgo del Parral, Chihuahua, Mexico Aurichalcite needles spraying out within a protected pocket lined by bladed calcite crystals Austinite from the Ojuela Mine, Mapimí, Durango, Mexico Ametrine ...
In Old English, the caesura has come to represent a pronounced pause in order to emphasize lines in Old English poetry that would otherwise be considered to be a droning, monotonous line. [5] This makes the caesura arguably more important to the Old English verse than it was to Latin or Greek poetry. In Latin or Greek poetry, the caesura could ...
The Cambridge Word of the Year is led by the data – what users look up – in the world's most popular dictionary for English language learners. [2] In 2022, the Cambridge Word of the Year was 'homer', caused by Wordle players looking up five-letter words, especially those that non-American players were less familiar with. [3]
According to Wright, "mid" is older than modern English. "It's been part of the language since before 1150 and means ‘occupying a central, medial, or intermediate position,' according to the ...
The part of an ore that is not economically desirable and that cannot be avoided in mining is known as gangue. [2] [3] The valuable ore minerals are separated from the gangue minerals by froth flotation, gravity concentration, electric or magnetic methods, and other operations known collectively as mineral processing [5] [7] or ore dressing. [8]