Noun (biology):

A genus of parasitic nematodes commonly known as ascaridia.

Example Sentence:

The veterinarian found several ascaridia worms in the dog's intestines.

Noun (medicine):

An intestinal worm infection caused by species belonging to the genus ascaridia.

Example Sentence:

The child displayed symptoms of ascaridia infestation, such as abdominal pain and poor appetite.

Adjective:

Relating to or characteristic of ascaridia parasites.

Example Sentence:

She studied the ascaridia life cycle for her research on parasitic diseases.