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Arboriculture Glossary of TermsThere are 1070 entries in this glossary.
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acronym for double rope technique. Climbing system in which two separate ropes and two separate anchor points are utilized. Contrast with DdRT and SRT.
method of tying the root ball of a balled-and-burlapped tree for moving.
forces created by a moving load. Load that changes with time and motion. Contrast with static load.
study of how objects move under the action of forces.
instrument for measuring mechanical force or power.
portion of an annual ring formed during the spring, characterized by large cells and thin walls, often lighter in color. Also called springwood. Contrast with latewood.
drill bit with a wide, threaded shank used for drilling holes in the ground. See soil auger.
legal interest in real property that conveys use or partial use, but not ownership, of a portion of an owner
complex system of living organisms and their abiotic environment.
type of mycorrhizae that grow between the cortical or epidermal cells of absorbing roots, forming an outer sheath around the root. See mycorrhizae. Contrast with endomycorrhizae.
|edema (oedema, in British English)||
watery swelling in plant tissue.
see extra-high-strength cable.
potential energy stored in an elastic material due to stretching or compression, such as a spring or rubber band.
|electric supply lines||
conductors used to transmit electric energy and their necessary supporting or containing structures.
corporation, person, agency, authority, or other legal entity or instrumentality aligned with distribution facilities for delivery of electric energy for use primarily by the public.
any object, material, or medium through which an electrical current can flow. Electric supply lines are designed as electrical conductors; however, guy wires, communication cables, tools, equipment, vehicles, humans, animals, and other items can function as electrical conductors.
amount of electricity passing through an electrical conductor. Measured in amps.
difference in electric charge between an energized conductor and the ground or other object. Measured in volts.
relative opposition of an object, material, or medium to the flow of electrical current. Measured in ohms. Material such as copper has low resistance and is therefore a good conductor; material such as glass has high resistance and is therefore a good insulator.
unintended redirection of electrical current to ground, interrupting the flow of electricity. If the path of an electrical short runs through a person, severe injury or death may result.
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