In chemistry, tetr- is specifically used to indicate the number of atoms or groups of atoms in compounds, e.g., tetroxide. It is used in many scientific and other technical terms. These examples are programmatically compiled from various online sources to illustrate current usage of the word 'tetra.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Tetr- is a combining form used like a prefix meaning four. Gary Peterson, The Mercury News, 11 July 2019 See More In chemistry, tetra- is specifically used to indicate four atoms or four groups of atoms in compounds, e.g., tetrachloride. any of various marine food and game fishes. It is used in a great many scientific and other technical terms. any small carnivorous freshwater cyprinoid fish of the family Characidae, of Central and South America and Africa. And there’s indeed a good genetic reason why. Containing four of a specified kind of atom. 2019 Mendez, as introduced in a 2016 story by this news organization, was born with tetra-amelia syndrome. Tetra- is a combining form used like a prefix meaning four. Tetrachromats have one extra type of cone that allows them to see a fourth dimensionality of colors. Any of a number of brightly colored, tropical American, characin fishes, often kept in aquariums. 2019 Rob Mendez was born with tetra-amelia syndrome Nothing has ever gotten in the way of Rob Mendez and his dreams. Ananya Bhattacharya, Quartz India, 3 June 2020 Like Mendez, who was born with an extremely rare condition called tetra-amelia syndrome, Perrino faces a multitude of challenges every day. tetra-, four Farlex Partner Medical Dictionary © Farlex 2012 tetra- Combining form meaning four.
Daisy Hernandez, Popular Mechanics, 11 June 2020 Jio’s milk tetra packs were puffed and dirty like someone picked them up from the mud and put them directly in the bag. 2013 Because cavefish have evolved to live in an oxygen deficient environment, researchers weren't surprised to find that embryonic specimen exhibited more gene markers for hypoxia in comparison to the Mexican tetra. But in some people vaccination can cause dizziness or light-headedness. Sy Montgomery, Discover Magazine, 20 Mar. INFLUVAC TETRA should not normally interfere with your ability to drive a car or operate machinery. 2013 The cardinal tetra is just one of many species uniquely adapted for life in Brazil’s Rio Negro. Sy Montgomery, Discover Magazine, 20 Mar. 2014 The cardinal tetra, found only in the Rio Negro and Orinoco, is the most popular aquarium fish in Europe. Elizabeth Preston, Discover Magazine, 1 Apr.
Noun Mexican blind cavefish, or Astyanax fasciatus, are a kind of small tetra sometimes found in home aquariums.
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