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ISA 2022 > Glossary M > Flashcards

Glossary M Flashcards

1
Q

type of friction hitch used in climbing and rigging

A

Machard tresse (Mt)

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2
Q

cable anchor or bracing rod with a fine-thread pattern that is used with a nut and washer and installed through a pre-drilled hole that is larger in diameter than the rod. Contrast with lag-threaded

A

machine-threaded

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3
Q

technique to introduce substances directly into the xylem of a tree to treat or prevent diseases, disorders, or pest problems through a relatively large-diameter hole in the trunk or a cut root. Contrast with implant, macroinjection, and microinjection

A

macroinfusion

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4
Q

trunk injection technique that requires a relatively large-diameter hole in the trunk. Contrast with implant, macroinfusion, and microinjection

A

macroinjection

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5
Q

essential element that is required by plants in relatively large quantities. Contrast with micronutrient

A

macronutrient

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6
Q

relatively large space between soil particles that is usually air filled and allows for water movement and root penetration. Contrast with micropore

A

macropore

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7
Q

primary conductor cable of a tree lightning protection system. Standard down conductor

A

main conductor

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8
Q

a broad-headed hammer made of wood, plastic, or resin used to sound a tree

A

mallet

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9
Q

rope made of natural fibers

A

manila rope

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10
Q

(1) simple hitch used in lashing. (2) in rigging, a secondary knot used in combination with a primary attachment knot to tie off sections for lowering

A

marline hitch

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11
Q

tool that tapers to a point. Used for separating the strands of a rope in splicing and in marling

A

marline spike

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12
Q

act of forming marline hitches in series along an object

A

marling

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13
Q

process of reshaping the landscape to specified elevations for the construction of buildings and/or to provide drainage. See grading

A

mass grading

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14
Q

maximum height that a plant is likely to reach if the conditions of the planting site are favorable

A

mature height

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15
Q

small, sap-sucking, scale-like insect coated with a white powdery wax

A

mealybug

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16
Q

system by which effort or force can be multiplied

A

mechanical advantage

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17
Q

study of forces and their effects on bodies at rest or in motion

A

mechanics

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18
Q

undifferentiated tissue in which active cell division takes place. Found in the root tips, buds, cambium, cork cambium, and latent buds

A

meristem

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19
Q

middle layers of a leaf where most photosynthesis takes place. Composed primarily of palisade and spongy parenchyma cells

A

mesophyll

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20
Q

biological transformation in the lifecycle of an organism, going from an immature to an adult stage

A

metamorphosis

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21
Q

substances derived from microorganisms. May be used to control certain pests

A

microbial extracts

22
Q

use of a small-diameter drill bit on an electric drill, measuring the change of torque resistance and indicating wood density as the drill bit passes through a trunk or limb. In tree risk assessment, used to measure the extent of decay

A

microdrill resistance testing

23
Q

a small area with physical and ecological characteristics that distinguish it from its immediate surrounding area

A

microenvironment

24
Q

trunk injection technique using a small-diameter trunk penetration to introduce chemicals directly into the xylem. Contrast with implant, macroinfusion, and macroinjection

A

microinjection

25
Q

essential element that is required by plants in relatively small quantities. Contrast with macronutrient

A

micronutrient

26
Q

space between soil particles that is relatively small and likely to be water filled. Contrast with macropore

A

micropore

27
Q

small, light-duty pulley used in climbing operations. Often used as a knot tender….

A

micropulley

28
Q

looped knot formed or tied in the standing part of a line….

A

midline loop

29
Q

naturally occurring, inorganic solid that has a definite chemical composition and possesses characteristic physical properties. Certain minerals are considered essential elements for tree growth and development.

A

mineral

30
Q

process in which an organic substance is converted to or trapped in inorganic substance….

A

mineralization

31
Q

closest distance that a tree worker, tool, equipment, or tree part is permitted near overhead electrical conductors and equipment. Distance increases with increasing voltage and varies with training of personnel.

A

minimum distance approach

32
Q

minimum load under which a new, unused rope or other piece of equipment will fail. Based on multiple trials and, for ropes, calculated as three standard deviations below the mean.

A

minimum breaking strength

33
Q

practice of minimizing irrigation needs through the use of drought-tolerant plants and watering only when necessary. See Xeriscape….

A

minimum irrigation

34
Q

a calculated minimum distance stated in feet (or meters) to prevent spark-over, for various altitudes and operating voltages, that is used in the design of transmission facilities….

A

minimum vegetation clearance distance (MVCD)

35
Q

cut type used in branch removal in which offset, overlapping cuts enable the section to be easily broken off. Snap cut. Bypass cut

A

mismatch cut

36
Q

small, often minute, arthropods in the order Acarina of the class Arachnida that may feed on plants, other mites, or small insects….

A

mites

37
Q

chemical compounds that are toxic to mites….

A

miticides

38
Q

in tree risk management, reducing, alleviating, or minimizing risk of harm (damage or injury)….

A

mitigation

39
Q

general term used primarily in the United Kingdom for mobile aerial platforms that are widely used on work sites in place of ladders and tower scaffolds….

A

mobile elevating work platform (MEWP)

40
Q

One or more atoms. The smallest amound of a substance that keeps its chemical properties….

A

molecule

41
Q

in insects and other arthropods, part o the matamorphosis process in which old skin is shed after a new skin (or cuticle) is formed….

A

molt

42
Q

rotational force that is created by any line force on a body. The magnitude of a moment is defined as the product of the force magnitude and the perpendicular distance from the line of action of the force to the axis that the moment is being calculated about.

A

moment

43
Q

keeping a close watch. Performing regular checks or inspections….

A

monitoring

44
Q

plant with an embryo that has one seed leaf (cotyledon). Examples are grasses and palms.

A

monocotyledon
Contrast with dicotyledon

45
Q

the cultivation or planting of a single species on agricultural land, in a forest setting, or within an urban landscape….

A

monoculture

46
Q

species with male and female flowers borne on the same plant. Contrast with dioecious….

A

monecious

47
Q

study of the form and structure of plants and other living organisms. Contrast with anatomy, physiology, and taxonomy….

A

morphology

48
Q

sequence of stressful events or conditions causing the decline and eventual death of a tree….

A

mortality spiral

49
Q

in a mechanical advantage pulley system, the pulley that moves

A

moving block

50
Q

a fall protection system in which the rope adjustment device advances along a moving line. Doubled rope technique (DdRT) or running rope systems are examples of moving rope systems (contrast with stationary rope system).

A

moving rope system

ISA 2022 (13 decks)

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