Definition: A type of barrier used in defense, created by placing fallen trees in a way that their branches point towards an enemy, making it difficult for them to advance.

Example: The soldiers constructed an abatis to protect their position from the advancing enemy.

Definition: This word describes things that are not alive, such as sunlight, water, and minerals. It refers to the physical parts of the environment that affect living things.

Example: The abiotic components of the ecosystem play a crucial role in determining the types of organisms that can thrive there.

Definition: A structure built on a creek or river that allows water to flow out when the tide is low but stops water from coming in when the tide is high.

Example: The engineers installed an aboideau to manage the tidal flow in the estuary.

Definition: Relating to something that is located on or above the surface of the ground.

Example: The aboveground facilities were designed to withstand extreme weather conditions.

Definition: This word describes something that is rough or harsh, often used to refer to materials that can scratch surfaces or to describe a person's manner that is unpleasant or irritating.

Example: The abrasive material damaged the surface of the wood.

Definition: A material that is used to wear away or smooth surfaces, often found in products like sandpaper or polishing compounds.

Example: The mechanic used an abrasive to smooth the rough edges of the metal.

Definition: The ability of a material to take in or soak up liquids or gases.

Example: The absorbancy of the sponge makes it ideal for cleaning spills.

Definition: The ability of a material to take in and hold liquid or moisture.

Example: The absorbency of the new fabric makes it ideal for towels.

Definition: The quality of being easy to reach, enter, or use. It often refers to how available something is to people, especially those with disabilities.

Example: The new building was designed with accessibility in mind, ensuring that everyone could enter easily.

Definition: The process of adjusting to a new environment or situation, especially in terms of temperature, climate, or other conditions.

Example: The acclimation of the plants to the new climate took several weeks.

Definition: A channel or ditch used for transporting water, especially for irrigation purposes, commonly found in the Southwestern United States.

Example: The farmers relied on the acequia to water their crops during the dry season.