(er ē ǝl): Of, relating to, or occurring in the air or atmosphere.

(av (ǝ) rij): A value that is computed by dividing the sum of a set of terms by the number of terms.

(ka nə pē): A protective covering: such as, the uppermost spreading branchy layer of a forest.

(di sǝr tā shǝn): An extended usually written treatment of a subject, specifically one submitted for a doctorate.

(ek ǝ nä mik): Of, relating to, or based on the production, distribution, and consumption of goods and services.

(i kwā zhǝn): A statement of the equality of two mathematical expressions.

(ha bә tat): The place or environment where a plant or animal naturally or normally lives and grows.

(in dǝ kā tǝr): Something that acts as a sign, symptom, or index of.

(na ch(ǝ) rǝl rē sȯrs): A feature or phenomenon in nature that enhances the quality of human life.

(ri lā shǝn ship): The state of being connected through a relation that is known or can be discovered.