pachycephalosaur

As nouns the difference between terms and pachycephalosaur

is that terms is while pachycephalosaur is any of a group of herbivorous dinosaurs, of the genus pachycephalosaurus from the late cretaceous period.

As a noun pachycephalosaur is

any of a group of herbivorous dinosaurs, of the genus pachycephalosaurus from the late cretaceous period.

As a proper noun Cretaceous

is the geologic period within the Mesozoic era that comprises lower and upper epochs from about 146 to 65 million years ago.

As an adjective cretaceous

is of or relating to chalk.

As a noun pachycephalosaur is

any of a group of herbivorous dinosaurs, of the genus Pachycephalosaurus from the late Cretaceous period.

As a proper noun pachycephalosaurus

is .

As a noun pachycephalosaur is

any of a group of herbivorous dinosaurs, of the genus pachycephalosaurus from the late cretaceous period.

As nouns the difference between dinosaur and pachycephalosaur

is that dinosaur is any of the creatures belonging to the clade dinosauria, especially those that existed during the triassic, jurassic and cretaceous periods and are now extinct while pachycephalosaur is any of a group of herbivorous dinosaurs, of the genus pachycephalosaurus from the late cretaceous period.

As an adjective herbivorous

is feeding chiefly on plants.

As a noun pachycephalosaur is

any of a group of herbivorous dinosaurs, of the genus pachycephalosaurus from the late cretaceous period.