Source of the Amazon River the Mantaro. Explorers and scholars have identified each of the three rivers as being the source of the Amazon under one of the three definitions. The Mantaro is the most distant upstream point; the Maraňón is the main stem of the Amazon; and the Apurímac is the most distant source with an uninterrupted flow of water. The Amazon River is the largest river in the world in terms of its discharge into the Atlantic Ocean and either the longest or second longest river in the world, contending with the Nile River for that honor. More than from its mouth, upstream
Longest word in English original meaning. The longest word in that dictionary is "electroencephalographically" (27 letters). The longest non-technical word in major dictionaries is "floccinaucinihilipilification" at 29 letters. Consisting of a series of Latin words meaning "nothing" and defined as "the act of estimating something as worthless"; its usage has been recorded as far back as 1741. Ross Eckler has noted that most of the longest English words are not likely to occur in general text, meaning non-technical present-day text seen by casual readers, in which the author did not specifically intend to use an unusually long word. According to Eckler, the longest words