Exam: TOEFL

Definition: A type of organic compound that is found in the essential oils of plants, especially conifers, and is used in various chemical processes.

Example: Limonene is a common terpene found in citrus fruits.

Definition: A group of natural or man-made chemical compounds that come from a substance called isoprene. These compounds are often found in plants and are used in products like perfumes and food flavors.

Example: The terpenoid compounds in the plant give it a unique aroma.

Definition: A type of material made from three different building blocks called monomers, which are combined together to form a larger structure.

Example: The new terpolymer is used in the production of flexible plastics.

Definition: To change the environment of a planet to make it more like Earth, especially by altering its landscape and atmosphere.

Example: Scientists hope to terraform Mars to make it suitable for human life.

Definition: The process of changing the environment of a planet or moon to make it more like Earth, so that humans can live there.

Example: Scientists are researching the possibilities of terraforming Mars to support human life.

Definition: The process of modifying a planet or moon to make it more Earth-like, often by changing its atmosphere, temperature, or surface to support human life.

Example: Scientists are researching the possibilities of terraforming Mars to make it habitable for humans.

Definition: A region or area that is characterized by a specific type of rock or rock formations.

Example: Geologists study the terrane to understand the geological history of the region.

Definition: Made up of both land and water.

Example: The terraqueous planet has vast oceans and large continents.

Definition: Relating to land or the earth, especially in contrast to water or air; describes plants or animals that live on land.

Example: The terrestrial plants in the garden thrive in the sunlight.

Definition: A being or creature that lives on the earth, as opposed to those that live in water or in the air.

Example: The terrestrial species are adapted to life on land.

Definition: Causing a lot of fear, alarm, or discomfort; very bad or unpleasant.

Example: The movie was so terrible that I couldn't finish watching it.

Definition: The quality or state of being very bad or unpleasant.

Example: The terribleness of the storm caused many people to evacuate their homes.