preemergent

As a noun terms

is .

As an adjective preemergent is

(of a herbicide) preventing the germination of seeds by inhibiting an important enzyme.

As adjectives the difference between preemergent and reemergent

is that preemergent is (of a herbicide) preventing the germination of seeds by inhibiting an important enzyme while reemergent is emerging again, after an absence.

As a noun enzyme

is a globular protein that catalyses a biological chemical reaction.

As an adjective preemergent is

preventing the germination of seeds by inhibiting an important enzyme.

As a verb inhibit

is to hinder; to restrain.

As an adjective preemergent is

preventing the germination of seeds by inhibiting an important enzyme.

As a noun seed

is (fertilized grain) A fertilized grain, initially encased in a fruit, which may grow into a mature plant.

As a verb seed

is to plant or sow an area with seeds.

As an adjective preemergent is

preventing the germination of seeds by inhibiting an important enzyme.

As a noun germination

is the process of germinating; the beginning of vegetation or growth from a seed or spore; the first development of germs, either animal or vegetable.

As an adjective preemergent is

preventing the germination of seeds by inhibiting an important enzyme.

As a noun herbicide

is a substance used to kill plants.

As an adjective preemergent is

preventing the germination of seeds by inhibiting an important enzyme.