Concrete and Impregnation

Concrete noun - A strong hard building material composed of sand and gravel and cement and water.

Impregnation is an antonym for concrete.

Nearby Words: concreted, concretion, concretely, concretize, concretise

Impregnation noun - Creation by the physical union of male and female gametes; of sperm and ova in an animal or pollen and ovule in a plant.

Concrete is an antonym for impregnation in beginning topic.

Nearby Words: impregnate, impregnable, impregnated, impregnability, impregnating