| Word | Description |
| The ph scale | commonly in use ranges from 0 to 14 |
| Thermal Envelope | the building's exterior shell that includes the walls, foundation, floors, ceiling, windows, doors, and roof; generally considered the boundary between the indoor cooled or heated area and the outdoors |
| Thrips | Small ( 2.6 mm -3.6 mm) brownish-black insects that suck juices from leaves and flowers. |
| Trans fat | Trans fat (also known as trans fatty acids) is mostly man-made form of fat. It is a specific type of fat formed when liquid oils are made into solid fats like shortening and hard margarine by food manufacturers. It is made by adding hydrogen to vegetable oil -- a process called hydrogenation. Hydrogenation increases the shelf life and flavor stability of foods containing these fats. Trans fat behaves like saturated fat by raising LDL or "bad" cholesterol that increases your risk of coronary heart disease and lowering HDL or “good” cholesterol in the blood. |
| Triple Bottom Line | Financial, social, and environmental effects of a firm's policies and actions that determine its viability as a sustainable organization. Definition courtesy of www.businessdictionary.com/definition/triple-bottom-line.html |
| Turbinado sugar | This sugar is a raw sugar which has been partially processed, removing some of the surface molasses. It is a blond color with a mild brown sugar flavor and is often used in tea. |
