Definition: Describing areas or climates that are not tropical, typically characterized by cooler temperatures and different weather patterns.

Example: The nontropical regions of the country experience four distinct seasons.

Definition: Relating to areas that are not part of a city or town; typically rural or countryside.

Example: Many people prefer the peace and quiet of nonurban living compared to the hustle and bustle of city life.

Definition: Something that is harmful or damaging to health, the environment, or moral values.

Example: The factory was fined for releasing noxious fumes into the air.

Definition: The quality of being harmful or poisonous to living things.

Example: The noxiousness of the chemicals in the factory posed a serious risk to the workers' health.

Definition: Related to the nucleus of an atom or the energy produced by atomic reactions. It can also refer to weapons that use atomic energy.

Example: The country is investing in nuclear energy to reduce its reliance on fossil fuels.

Definition: The act of completely destroying or removing something so that it no longer exists.

Example: The obliteration of the old building made way for a new park.

Definition: A large body of salt water that covers most of the Earth's surface and is divided into several major areas, such as the Atlantic and Pacific.

Example: The ocean is home to countless species of marine life.

Definition: A person who explores or works underwater, especially in the ocean, often using special equipment.

Example: The oceanaut conducted research on marine life during the deep-sea expedition.

Definition: Related to the ocean, especially the vast areas of water that are not close to the shore. It can also describe things that are produced by or live in the ocean.

Example: The oceanic currents play a crucial role in regulating the Earth's climate.

Definition: Having a smell or scent.

Example: The odorant in the air made the flowers smell sweet.

Definition: A substance that has a strong smell, often added to other materials to help identify them, especially for safety reasons.

Example: The gas company adds an odorant to natural gas so that leaks can be easily detected.