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  • English Word Megaceros Definition The Irish elk.
  • English Word Megachile Definition A leaf-cutting bee of the genus Megachilus. See Leaf cutter, under Leaf.
  • English Word Megacosm Definition See Macrocosm.
  • English Word Megacoulomb Definition A million coulombs.
  • English Word Megaderm Definition Any one of several species of Old World blood-sucking bats of the genus Megaderma.
  • English Word Megadyne Definition One of the larger measures of force, amounting to one million dynes.
  • English Word Megafarad Definition One of the larger measures of electrical capacity, amounting to one million farads; a macrofarad.
  • English Word Megalerg Definition A million ergs; a megerg.
  • English Word Megalesian Definition Pertaining to, or in honor of, Cybele; as, the Megalesian games at Rome.
  • English Word Megalethoscope Definition An optical apparatus in which pictures are viewed through a large lens with stereoptical effects. It is often combined with the stereoscope.
  • English Word Megalith Definition A large stone; especially, a large stone used in ancient building.
  • English Word Megalo- Definition Combining forms signifying: (a) Great, extended, powerful; as, megascope, megacosm.
  • English Word Megalo- Definition A million times, a million of; as, megameter, a million meters; megafarad, a million farads; megohm, a million ohms.
  • English Word Megalo- Definition See Meg-.
  • English Word Megalocyte Definition A large, flattened corpuscle, twice the diameter of the ordinary red corpuscle, found in considerable numbers in the blood in profound anaemia.
  • English Word Megalomania Definition A form of mental alienation in which the patient has grandiose delusions.
  • English Word Megalonyx Definition An extinct quaternary mammal, of great size, allied to the sloth.
  • English Word Megalophonous Definition Having a loud voice.
  • English Word Megalopolis Definition A chief city; a metropolis.
  • English Word Megalops Definition A larva, in a stage following the zoea, in the development of most crabs. In this stage the legs and abdominal appendages have appeared, the abdomen is relatively long, and the eyes are large. Also used adjectively.
  • English Word Megalops Definition A large fish; the tarpum.
  • English Word Megalopsychy Definition Greatness of soul.
  • English Word Megalosaur Definition Alt. of Megalosaurus
  • English Word Megalosaurus Definition A gigantic carnivorous dinosaur, whose fossil remains have been found in England and elsewhere.
  • English Word Megameter Definition An instrument for determining longitude by observation of the stars.
  • English Word Megameter Definition A micrometer.
  • English Word Megameter Definition Alt. of Megametre
  • English Word Megametre Definition In the metric system, one million meters, or one thousand kilometers.
  • English Word Megampere Definition A million amperes.
  • English Word Megaphone Definition A device to magnify sound, or direct it in a given direction in a greater volume, as a very large funnel used as an ear trumpet or as a speaking trumpet.