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Arboriculture Glossary of Terms
There are 1070 entries in this glossary.
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| Term | Definition |
|---|---|
| throwing knot |
knot tied in a rope to form a weight for throwing to set climbing or rigging lines in trees.
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| throwline |
thin, lightweight cord attached to a throwbag or throwing ball used to set climbing or rigging lines in trees.
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| tie in |
to set a climbing line in a tree and secure it with an appropriate hitch or device.
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| tie-in point |
position in a tree (in a natural or false crotch) through which the climbing line is set to serve as the pivot point for work positioning.
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| timber hitch |
knot consisting of a series of wraps on a line and used to secure the line to a limb or tree.
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| tip tying |
tying a line on the tip (brush) end of a branch to be removed.
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| tooth lock |
in carabiners, a type of gate latch mechanism. Also called notch gate or pin lock. Has the disadvantage that it may catch on a rope. Contrast with key lock.
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| top-handled chain saw |
chain saw with the right (trigger) handle above the engine.
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| topping |
inappropriate pruning technique to reduce tree size. Cutting back a tree to a predetermined crown limit, often at internodes.
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| topping cut |
hinge cut used when removing the top from a tree in the tree removal process.
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| topsoil |
surface layer of soil that may be rich in nutrients from decaying plants and bacterial material, often removed when lots are graded in preparation for construction or development.
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| torts |
wrongful acts, other than breach of contract, for which civil action may be taken.
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| tracheid |
elongated, tapering xylem cell adapted for the support and transport of water and elements.
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| transfer line |
see load-transfer line.
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| transformer |
an electrical device for changing the voltage of alternating current.
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| translocation |
movement of sugars in the phloem.
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| transmission lines |
electric supply lines and associated structures used to transmit electricity from generating stations to the distribution network. Usually carry in excess of 69,000 volts.
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| transpiration |
water vapor loss through the stomata of leaves.
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| transplant shock |
plant stress following transplant; characterized by reduced growth, wilting, dropping foliage, or death.
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| transplanting |
moving a plant to a new location.
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