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

(di si jǝ wǝs): Having parts, like leaves, that fall off or shed seasonally or at a certain stage of development in the life cycle.

(i kä lǝ jist): A scientist who studies the relationship between living things and their environment.

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

(i rō zhǝn): The process of deteriorating or disappearing by wearing away.

(her ǝ tij): Something acquired from the past.

(in tǝr sept): To take or seize on the way to or before arrival.

(mē tē ǝ rǝ lä ji kǝl): Having to do with the atmosphere, weather, or weather forecasting.

(re gyǝ lā shǝn): The act or state of bringing order, method, or uniformity to something.

(spē sēz or spē shēz): A category of living things that ranks below a genus, is made up of related individuals able to produce fertile offspring, and is identified by a two-part scientific name.