Search results for "Tetra-" - New World Encyclopedia

From New World Encyclopedia
  • Characidae is a large and diverse family of freshwater subtropical and tropical fish, belonging to the order Characiformes. Known as characins ...
    10 KB (1,322 words) - 02:06, 13 January 2023
  • chemical compound once widely used in producing tetra-ethyl lead, a gasoline additive. It is a colorless, flammable gas or refrigerated liquid with a ...
    7 KB (906 words) - 17:08, 10 December 2023
  • Silane is a chemical compound with the chemical formula SiH4. It is the silicon analog of methane and, like methane, it is a gas at ordinary ...
    8 KB (1,184 words) - 22:02, 29 January 2023
  • Rockabilly is one of the earliest forms of rock and roll as a distinct style of music. It flourished in the mid 1950s based mainly in the American ...
    8 KB (1,238 words) - 21:31, 16 April 2023
  • Neptunium (chemical symbol Np, atomic number 93) is a silvery radioactive metallic element, belonging to the actinide series. It is the first ...
    11 KB (1,451 words) - 16:21, 11 November 2022
  • A covalent bond is a type of chemical bond characterized by the sharing of a pair of electrons between two atoms. In general, a chemical bond ...
    15 KB (2,401 words) - 06:13, 11 January 2024
  • 4 (four) is a number, numeral, and glyph that represents the number. It is the natural number A natural number is any number that is a positive ...
    24 KB (3,319 words) - 06:45, 13 June 2023
  • Actinopterygii, is a major taxonomic class (or subclass) of fish, known as the "ray-finned fishes," whose diverse number of species ...
    14 KB (1,774 words) - 17:27, 17 December 2022
  • In Judaism, the name of God represents the Jewish conception of the divine nature, and of the relation of God to the Jewish people. ...
    18 KB (2,791 words) - 01:12, 11 November 2022
  • A complex in chemistry usually is used to describe molecules or ensembles formed by the combination of ligands and metal ions. Originally, a ...
    21 KB (3,125 words) - 00:21, 8 January 2024
  • Category:Public [[Image:Ptolemy 16century.jpg|thumb|300px|A sixteenth-century depiction of Ptolemy.]] :This article is about Ptolemy the astronomer ...
    20 KB (3,023 words) - 17:01, 22 December 2022
  • Chemical bond is the term used to describe the linkages between atoms joined together to form molecules or crystals. Chemical bonds are the result ...
    25 KB (3,936 words) - 14:39, 5 December 2023
  • In geometry, a polygon is a plane figure that is bounded by a closed path or circuit, composed of a finite sequence of straight line segments ...
    23 KB (3,520 words) - 08:42, 24 November 2022
  • was not of this quality. Only the additive tetra-ethyl lead could raise the ... engines. The most popular additive was tetra-ethyl lead. However, with ...
    47 KB (6,957 words) - 11:39, 7 December 2023
  • for use in engines with catalytic carburetors. Tetra-ethyl lead was introduced in 1932 to raise gasoline's resistance to engine knock, thereby ...
    26 KB (4,190 words) - 19:11, 26 November 2023
  • The coconut palm is species of palm tree, Cocos nucifera, that grows to about 30 meters tall and is extensively cultivated in tropical climates ...
    29 KB (4,782 words) - 22:20, 7 January 2024
  • Lahore ( {{Nastaliq|لہور}} , {{Nastaliq|لاہور}} lahor ) is the second largest city in Pakistan after Karachi, and the capital of Punjab ...
    30 KB (4,227 words) - 05:36, 4 March 2023
  • octane made from 100 percent petroleum with toxic tetra-ethyl lead added to raise the octane number. The high price of zero-ethanol Avgas does not include ...
    36 KB (5,134 words) - 17:54, 31 October 2023
  • Radio, once known as "wireless telegraphy" or "radiotelegraphy," is the wireless communication of signals by transmitting ...
    35 KB (5,160 words) - 22:45, 7 December 2022