giganto-, gigant-

(Greek: giant; giantlike; very large, big, huge)

Giganotosaurus
A "giant-southern lizard" from Late Cretaceous Patagonia, Argentina. Named in 1995 by Argentinian paleontologists Rodolfo Coria and Leonardo Salgado.
gigantesque (adjective), more gigantesque, most gigantesque
1. Relating to an enormous size or magnitude; huge; of or suited to be a giant.
2. Descriptive of a behemoth, extremely large.
gigantic (adjective), more gigantic, most gigantic
Relating to or suggestive of an enormous size.
giganticidal (adjective), more giganticidal, most giganticidal
A reference to killing very large creatures.
giganticide (s) (noun)
A giant-killer or the act of killing colossal creatures.
gigantism (s) (noun), gigantisms (pl)
1. The quality or state of being of an abnormally large size.
2. An excessive growth of the body or any of its parts; especially, as a result of over secretion of the growth hormone by the pituitary gland.
gigantoblast (s) (noun), gigantoblasts (pl)
A very large nucleated red corpuscle or a small free floating biological cell; especially, a blood cell.
gigantocyte (s) (noun), gigantocytes (pl)
In physiology, an excessively large erythrocyte or red blood cells: The gigantocytes are considered to be the most common type of blood cells and the vertebrate's principal means of delivering oxygen to the body tissues via the circulatory system.
gigantomachia (s) (noun), gigantomachias (pl)
The war of the giants against the gods.
gigantomachize (verb), gigantomachizes; gigantomachized; gigantomachizing
To rise in rebellion like the giants against heaven.
gigantomachy (s) (noun), gigantomachies (pl)
1. A war of giants against other giants or a contest resembling this.
2. War of giants against gods.
3. A war between large contestants, as major powers.
Gigantopithecus
Gigantosaurus
This nomenclature ("giant lizard") is no longer recognized by scientists because they found that it described an animal that was previously given another name which is Pelorosaurus. Named by Harry Govier Seeley in 1869.
gigantosoma (s) (noun), gigantosomas (pl)
An older term for "gigantism" or the state or quality of having an excessively large stature or body; therefore, being of an abnormally large size.
gigantothermy (s) (noun), gigantothermies (pl)
The ability of an organism to maintain a constant, relatively high body temperature because it has a large body and insulation: Larger animals have gigantothermy and they retain heat better than smaller animals.