preformation

is likely misspelled.

has no English definition.

As a noun preformation

is prior formation.

As a noun preformation is

prior formation.

As a noun preformation

is prior formation.

As a proper noun reformation is

the reformation.

As nouns the difference between seed and preformation

is that seed is (senseid)(countable) a fertilized grain, initially encased in a fruit, which may grow into a mature plant while preformation is prior formation.

As a verb seed

is to plant or sow an area with seeds.

As nouns the difference between egg and preformation

is that egg is (zoology|countable) an approximately spherical or ellipsoidal body produced by birds, snakes, insects and other animals, housing the embryo during its development while preformation is prior formation.

As a verb egg

is to throw eggs at or egg can be to encourage, incite.

As nouns the difference between organism and preformation

is that organism is (biology) a discrete and complete living thing, such as animal, plant, fungus or microorganism while preformation is prior formation.

As nouns the difference between theory and preformation

is that theory is (obsolete) mental conception; reflection, consideration while preformation is prior formation.

As nouns the difference between formation and preformation

is that formation is formation while preformation is prior formation.