the formation of a mental image of something that is not perceived as real and is not present to the senses

the personification of death

a voracious giant in Francois Rabelais' book of the same name

an imaginary creature that controls a small hole in a partition that divides a chamber filled with gas into two parts and allows fast molecules to move in one direction and slow molecules to move in the other direction through the hole; this would result in one part of the container becoming warmer and the other cooler, thus decreasing entropy and violating the second law of thermodynamics

imaginary people who live on the planet Mars

an egg-shaped character in a nursery rhyme who fell off a wall and could not be put back together again (late 17th century)

a creature that has not been observed but is hypothesized to exist

an imaginary being of myth or fable

an imaginary figure of superhuman size and strength; appears in folklore and fairy tales

an imaginary being similar to a person but smaller and with hairy feet; invented by J.R.R. Tolkien

half woman and half fish; lives in the sea

the personification of death

a voracious giant in Francois Rabelais' book of the same name

an imaginary creature that controls a small hole in a partition that divides a chamber filled with gas into two parts and allows fast molecules to move in one direction and slow molecules to move in the other direction through the hole; this would result in one part of the container becoming warmer and the other cooler, thus decreasing entropy and violating the second law of thermodynamics

imaginary people who live on the planet Mars

an egg-shaped character in a nursery rhyme who fell off a wall and could not be put back together again (late 17th century)