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Arboriculture Glossary of Terms
There are 1070 entries in this glossary.
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| Term | Definition |
|---|---|
| key lock |
in carabiners, a specific configuration of the gate latch designed not to catch on ropes. Contrast with tooth lock.
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| kickback |
sudden, sometimes violent and uncontrolled, backward or upward movement of a chain saw.
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| kickback quadrant |
upper quadrant of the tip of a chain-saw bar.
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| kilonewton (kN) |
unit of force. Amount of force required to move 1,000 kilograms a single meter in a single second (equals 224.8 pounds force).
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| kilovolt (kV) |
1,000 volts. Unit used for the measurement of electrical force.
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| kinetic energy |
energy an object has due to its motion.
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| kingdom |
primary taxonomic group, separating plants from animals.
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| knot |
any of various fastenings formed by looping and tying a rope (or cord) upon itself or to another rope or to another object.
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| knot tender |
in climbing, a device or knot used to assist in advancing the climbing hitch and to control the entry of line into the hitch.
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| knotless system |
rigging system in which loop slings and connecting links are used to attach branches or wood sections to the lowering line.
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| lag eye |
lag-threaded cable anchor with a closed eye.
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| lag hook (J-hook) |
lag-threaded cable anchor with an open eye (J-shaped).
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| lag-threaded |
cable anchor or bracing rod with a coarse thread pattern that is typically screwed into a pre-drilled hole that is smaller in diameter than the anchor or rod. Contrast with machine-threaded.
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| landing zone |
predetermined area where cut branches or wood sections will be dropped or lowered from a tree. See drop zone.
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| landscape function |
purpose or intended use of a plant in the landscape (e.g., shade, aesthetics, screening).
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| lanyard |
short rope equipped with carabiners, snaps, and/or eye splices. Work-positioning lanyards are used for temporarily securing a climber in one place.
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| larva |
immature life stage of an insect between the egg and the pupa stage.
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| latent bud |
bud held in dormancy for more than one year by hormones originating from the terminal bud. Term sometimes used to refer to dormant buds or adventitious buds.
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| lateral |
secondary or subordinate branch or root.
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| lateral bud |
vegetative bud on the side of a stem. Contrast with terminal bud.
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