megacolon
— Noun
– English
～ an abnormal enlargement of the colon; can be congenital (as in Hirschsprung's disease) or acquired (as when children refuse to defecate)
megacycle
— Noun
– English
～ one million periods per second
megadeath
— Noun
– English
～ the death of a million people; "they calibrate the effects of atom bombs in megadeaths"
Megaderma
— Noun
– English
～ type genus of the Megadermatidae
Megaderma lyra
— Noun
– English
～ large carnivorous Old World bat with very large ears
Megadermatidae
— Noun
– English
～ Old World false vampire bats
Megaera
— Noun
– English
～ one of the three Furies
megaflop
— Noun
– English
～ (computer science) a unit for measuring the speed of a computer system
megagametophyte
— Noun
– English
～ the female gametophyte produced by the megaspore of a plant that produces both microspore and megaspores
megahertz
— Noun
– English
～ one million periods per second
megahit
— Noun
– English
～ an unusually successful hit with widespread popularity and huge sales (especially a movie or play or recording or novel)
megakaryocyte
— Noun
– English
～ a large bone marrow cell; regarded as the source of blood platelets
megakaryocytic
— Adjective
– English
～ of or pertaining to large bone marrow cells
megalith
— Noun
– English
～ memorial consisting of a very large stone forming part of a prehistoric structure (especially in western Europe)
megalithic
— Adjective
– English
～ of or relating to megaliths or the people who erected megaliths; "megalithic monuments like Stonehenge"
Megalobatrachus maximus
— Noun
– English
～ large (up to more than three feet) edible salamander of Asia
Megalobatrachus
— Noun
– English
～ giant salamanders; in some classifications included in the genus Cryptobranchus
megaloblast
— Noun
– English
～ abnormally large red blood cell present in pernicious anemia and folic acid deficiency