Definition: A type of large wasp that can sting and is known for building big nests out of paper-like material.

Example: The hornet built its nest high in the tree, making it difficult to reach.

Definition: A type of hard, fine-grained rock that is formed from the transformation of sedimentary rock, particularly shale, due to heat and pressure.

Example: The geologist collected samples of hornfels to study its mineral composition.

Definition: Describing an animal or object that does not have horns.

Example: The hornless cow grazed peacefully in the field.

Definition: The state of not having horns.

Example: The species is known for its hornlessness, which distinguishes it from other animals.

Definition: Describing something that has a hard texture or shape similar to a horn, or that projects outward like a horn.

Example: The plant had hornlike structures that made it look unique.

Definition: A type of stone that is similar to flint but is more fragile; it is a variety of quartz.

Example: The archaeologists discovered tools made from hornstone during their excavation.

Definition: A type of insect belonging to the family Siricidae, known for its female having a long, strong egg-laying structure and larvae that live in wood.

Example: The horntail is often found in forests where it lays its eggs in trees.

Definition: A type of caterpillar that is the larval stage of a hawk moth, known for its horn-like structure at the back.

Example: The gardener found a hornworm on the tomato plants, munching on the leaves.

Definition: A type of aquatic plant that grows in water and has thin stems with whorled leaves and small flowers. These plants do not have roots and can be found in calm waters.

Example: The pond was filled with hornwort, providing shelter for small fish.

Definition: A type of large fly that belongs to the family Tabanidae, known for the females that feed on the blood of animals.

Example: The horsefly buzzed around the picnic, looking for a chance to bite.