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  2. Lock (water navigation) - Wikipedia

    en.wikipedia.org/wiki/Lock_(water_navigation)

    A plan and side view of a generic, empty canal lock. A lock chamber separated from the rest of the canal by an upper pair and a lower pair of mitre gates.The gates in each pair close against each other at an 18° angle to approximate an arch against the water pressure on the "upstream" side of the gates when the water level on the "downstream" side is lower.

  3. Canal - Wikipedia

    en.wikipedia.org/wiki/Canal

    A canal can be created where no stream presently exists. Either the body of the canal is dug or the sides of the canal are created by making dykes or levees by piling dirt, stone, concrete or other building materials. The finished shape of the canal as seen in cross section is known as the canal prism. [1]

  4. Canal (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Canal_(disambiguation)

    Canal (anatomy), numerous structures that connect parts of the human body; Ear canal, a tube running from the outer ear to the middle ear; Knallgas, sometimes misspelt as "canal gas" or "canalgas," a term used in microbial metabolism; Siphonal canal, an extension of the aperture in gastropod molluscs; Root canal, a term in dentistry

  5. List of canals by country - Wikipedia

    en.wikipedia.org/wiki/List_of_canals_by_country

    The term 'canal' is often used to describe both human-made canals and river navigations, whether free-flowing waterways, or those with locks and dams or weirs. List of lists [ edit ]

  6. List of canals in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_canals_in_the...

    Patowmack Canal (Potomac Canal) MD: 1795 1828 Consists of the Little Falls Canal, Great Falls Canal, Seneca Falls Canal, Payne's Falls Canal, and House Falls Canal VA: Pawtucket Canal: MA: 1796 Pennsylvania Canal: PA: Pennsylvania and Ohio Canal: PA: 1840 1877 82 mi (132 km) OH: Portage Canal: WI: 1876 1951 2 mi (3.2 km) Powell's Canal: VA

  7. Contronym - Wikipedia

    en.wikipedia.org/wiki/Contronym

    Hindi: कल and Urdu: کل (kal) may mean either "yesterday" or "tomorrow" (disambiguated by the verb in the sentence).; Icelandic: fram eftir can mean "toward the sea" or "away from the sea" depending on dialect.

  8. Panama Canal - Wikipedia

    en.wikipedia.org/wiki/Panama_Canal

    The Panama Canal (Spanish: Canal de Panamá) is an artificial 82-kilometer (51-mile) waterway in Panama that connects the Caribbean Sea with the Pacific Ocean. It cuts across the narrowest point of the Isthmus of Panama , and is a conduit for maritime trade between the Atlantic and Pacific Oceans.

  9. Opposite - Wikipedia

    en.wikipedia.org/wiki/Antonym

    An antonym is one of a pair of words with opposite meanings. Each word in the pair is the antithesis of the other. A word may have more than one antonym. There are three categories of antonyms identified by the nature of the relationship between the opposed meanings.