Definition: A small, hair-like structure found on certain animals, especially worms, that helps with movement or sensing the environment.

Example: The chaetae on the annelid worm help it to grip the soil as it moves.

Definition: Relating to bristles or hair-like structures found on certain organisms.

Example: The chaetal structures on the worm help it to move through the soil.

Definition: Relating to a group of marine animals known for their transparent bodies and arrow-like shape, which belong to the phylum Chaetognatha.

Example: The chaetognath species are often found in the open ocean, swimming gracefully through the water.

Definition: A type of marine worm that belongs to the phylum Chaetognatha, commonly known as arrow worms, which are characterized by their elongated bodies and transparent appearance.

Example: The chaetognath is an important part of the marine food web, serving as both predator and prey.

Definition: A series of connected links, usually made of metal, used for holding things together or for mechanical purposes.

Example: He used a chain to secure the bike to the fence.

Definition: To fasten or secure something using a chain, often to restrict movement or keep it in place.

Example: The owner chained the bicycle to the rack to prevent it from being stolen.

Definition: The act of linking things together in a series or sequence.

Example: The chaining of events led to a surprising outcome.

Definition: To connect or link things together in a series or sequence.

Example: The children were chaining the colorful blocks to build a tower.

Definition: A structure in an egg that connects the yolk to the shell, or a part of a plant ovule where different tissues are joined.

Example: The chalaza helps keep the yolk centered in the egg.

Definition: Relating to a specific part of a seed or egg that helps in its development.

Example: The chalazal region of the egg is important for the embryo's growth.

Definition: Relating to a type of mineral that is a form of quartz, often used in jewelry and decorative items.

Example: The artist chose a chalcedonic stone for the sculpture because of its beautiful colors.

Definition: A type of quartz that is usually translucent and can come in various colors, often with a smooth, waxy appearance.

Example: The jewelry was made from beautiful chalcedony stones that shimmered in the light.

Definition: A small wasp that belongs to a specific group known for laying its eggs in the larvae or pupae of other insects, often leading to the death of the host insect.

Example: The gardener noticed a chalcid wasp hovering near the aphid-infested plants, ready to lay its eggs.