Definition: A word used to describe something that has a strong, sharp, and often unpleasant taste or smell, usually associated with bitterness or irritation.

Example: The acrider fumes from the factory made it difficult to breathe.

Definition: This term describes a type of dental structure where teeth are directly connected to the jawbone at the edge, without being set in sockets.

Example: The acrodont species exhibit a unique dental structure that differs from other types of teeth attachment.

Definition: A type of marine animal that resembles a flower and is often found attached to rocks or coral in the ocean. They have tentacles that can sting and are known for their colorful appearance.

Example: The actinia swayed gently with the ocean currents, showcasing its vibrant colors.

Definition: A type of marine animal that resembles a flower and is often found attached to rocks or coral in the ocean. These creatures have tentacles that can sting and are known for their colorful appearance.

Example: The actinian swayed gently with the ocean currents, showcasing its vibrant colors.

Definition: This word describes something that has a stinger, like bees or wasps, or something that has sharp prickles.

Example: The aculeate insects, such as bees and wasps, play a crucial role in pollination.

Definition: A type of antelope found in northern Africa, known for its long, twisted horns and light-colored fur.

Example: The addax is well adapted to the harsh desert environment of the Sahara.

Definition: A type of snake that is often nonvenomous, or a device that performs addition in mathematics.

Example: The adder slithered quietly through the grass, blending in with its surroundings.

Definition: A type of small insect that belongs to the genus Adelges, often found on trees and plants.

Example: The adelgid is known to infest hemlock trees, causing significant damage.

Definition: Able to be taken in and raised by someone, often referring to animals or children that can be given a new home.

Example: The shelter has many adoptable pets looking for a loving home.

Definition: A type of very large bird that could not fly and lived in Madagascar a long time ago.

Example: The aepyornis was one of the largest birds to ever exist, towering over its contemporaries.