Definition: The movement or growth of a living thing in response to a chemical substance.

Example: Plants exhibit chemotropism by growing towards nutrients in the soil.

Definition: The process of creating new industrial chemical products using organic materials, particularly those derived from agriculture.

Example: Chemurgy plays a crucial role in developing sustainable materials from agricultural resources.

Definition: A type of very dark soil that is rich in organic material and nutrients, commonly found in grassland areas of temperate climates.

Example: Farmers prefer to cultivate crops in chernozem because it provides excellent nutrients for plant growth.

Definition: A type of hard rock made mostly of silica, often found in limestone, and similar to flint.

Example: Archaeologists discovered tools made from chert in the ancient settlement.

Definition: Describing a material that contains chert, which is a type of hard, sedimentary rock.

Example: The cherty soil in the area is difficult to cultivate due to its rocky texture.

Definition: A term used in biology and literature that refers to a crossing or arrangement of elements in a specific pattern, often creating a mirror effect.

Example: The chiasm in the poem highlighted the contrast between love and loss.

Definition: A point where two structures cross each other, often used in anatomy and genetics to describe the intersection of nerves or the contact point between chromatids during cell division.

Example: During meiosis, the chiasma forms between paired chromatids, allowing for genetic exchange.

Definition: Relating to a specific type of crossing or intersection, often used in anatomy or biology to describe structures that cross over each other.

Example: The chiasmal structure in the brain is crucial for visual processing.

Definition: Relating to a specific type of structure or arrangement where elements are crossed or inverted, often used in contexts like biology or literature.

Example: The chiasmatic structure of the poem creates a unique pattern that enhances its meaning.

Definition: Relating to or resembling a mythical creature made up of different parts, often used to describe something that is fantastical or illusory.

Example: The artist's work was chimaeric, blending elements from various styles and cultures into a single piece.