One of the mysteries of the English language finally explained.
A six-legged arthropod belonging to the class "Hexapoda"‘researchers noted that hexapods and crustaceans shared a different set of important morphological characters’‘the oldest known land animal is a hexapod found in Scotland, dated at 405 million years’
- ‘Phylogenetic analyses of a wide variety of gene sequences all support the hypothesis that hexapods and crustaceans form a monophyletic group to the exclusion of myriapods and chelicerates.’
- ‘The matter focuses on an order of minuscule hexapods called collembolans, or springtails, which includes thousands of species.’
- ‘Major sections cover the relationships and evolution of each order of hexapods, or six-legged creatures.’
- ‘There are three lineages of primitively wingless hexapods that lack a dorsal appendage branch, and one, the Archaeognatha, with such a branch.’
- ‘Presumably (assuming insects do derive from Crustacea) primitive hexapods evolved from marginal marine and amphibious crustaceans during the late Silurian or early Devonian.’
2A six-legged robot.‘each of the hexapod's legs are equipped with pressure sensors which allow the bot to respond to its terrain’
- ‘The hexapod had to be considerably lightened and overhauled with a body made from carbon fiber instead of ABS plastic.’
- ‘It is actually the second version of the largest all-terrain hexapod in the world.’
- ‘We just saw a hexapod which deposits hot glue as it roams.’
- ‘With six legs, the hexapod tootles along quite happily at 26 centimeters per second.’
- ‘The hexapod is ideal for many applications including industrial automation and manufacturing.’
Mid 17th century: from Greek hexapous, hexapod-, from hex ‘six’ + pous ‘foot’.
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