Definition: A long, pointed weapon with a sharp tip and barbs, used for catching large fish or whales.

Example: The fisherman used a harpoon to catch the giant whale.

Definition: To strike or catch something, usually a large fish or whale, using a long, pointed weapon that is thrown or shot.

Example: The fisherman used a harpoon to catch the giant whale.

Definition: A man-made, radioactive metal that is very unstable and has the atomic number 108. It is not found naturally and is created in laboratories.

Example: Scientists have studied hassium to understand its properties and potential uses in chemistry.

Definition: The ability of eggs to develop and hatch into young animals; it indicates how many eggs can successfully hatch.

Example: The hatchability of the eggs was tested to ensure a good number of chicks would emerge.

Definition: Able to be hatched, usually referring to eggs that can produce young animals.

Example: The eggs are hatchable and will soon produce baby chicks.

Definition: The act or process of an egg breaking open to allow a young animal to come out.

Example: The hatching of the chicks took place early in the morning.

Definition: A part of an insect's mouth that is specially designed for sucking liquids, such as blood or plant juices.

Example: The mosquito uses its haustellum to draw blood from its host.

Definition: A special part of a parasitic plant that grows into another plant to take nutrients from it.

Example: The dodder plant uses its haustorium to extract water and nutrients from the host plant.

Definition: The act of selling goods or services in a public place, often by shouting or calling out to attract customers.

Example: The street vendor was engaged in hawking his wares to passersby.

Definition: To sell goods or services in a public place, often by shouting or calling out to attract customers.

Example: The street vendor was hawking fresh fruits and vegetables to passersby.

Definition: In the direction of the head or top; towards the head.

Example: The river flows headward, moving towards the source.

Definition: The process of using your mind to think, plan, or solve problems.

Example: The project required a lot of headwork to come up with innovative solutions.