Glossary beginning with M

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M

TERMDEFINITIONSOURCE/CREDIT
Magna Carta

An agreement, known as the "Great Charter", reached between King John and the Barons of England at Runnymede in 1215 whereby the King agreed to important and specific limitations upon the rights of the Crown.

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Magnetic North

The direction of magnetic north as determined by the positive pole of a freely suspended magnetic needle which is subject to no transient, artificial disturbance; used by early surveyors in the settlement of land.

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Major Perils

Means the perils of fire, lightning, smoke, windstorm, hail, explosion, water escape, strikes, riots or civil commotion, impact by aircraft or vehicles, vandalism or malicious acts.

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Manhole (MH)

Vertical entrance structure providing human access to a sewer or other buried utility.

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Masonry

A type of construction using stone, brick, tile or concrete block using mortar.

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Material Change

A change or a series of changes that a reasonable purchaser, on an objective basis, would have regarded collectively as sufficiently important to the decision to purchase a condominium unit or proposed unit in the corporation that it is likely that the purchaser would not have entered into an agreement of purchase and sale for the unit or the proposed unit or would have exercised the right to rescind such an agreement of purchase and sale under section 73 of the Condominium Act.

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Mean Sea Level

The average height of the surface of the sea for all stages of the tide over a 19-year period.

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Meander

A dynamic system where curves or bends develop in a watercourse resulting from erosion of a sediment on the outer-bank and deposition of sediment on the inner-bank of the bends which may be disrupted by weather events or extreme erosion.

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Measured

Once a surveyor has "set" some distances and directions to re-establish boundaries, the resulting measurements must be documented and compared to official records. Regulations require that all results, conflicting or otherwise must be recorded in the performance of the survey. Surveyors commonly "set" 2 or more distances between two (2) adjoining properties to re-establish the property line, and "measure" the remaining distances, in an effort to get a solid mathematical match of all the evidence.

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Measurement

Single set of measurement values for a feature. The values may include vertical or zenith angle, horizontal angle, slope distance, back sight and foresight heights and so on.

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Measuring Device

An instrument for determining the dimensions of a feature, e.g. total station, theodolite, transit, level, compass, steel tape, etc.

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Median Strip

The portion of a highway so constructed as to separate traffic travelling in one direction from traffic travelling in the opposite direction by a physical barrier.

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Medium filum acquae

Common law term; the geographic middle of a river or watercourse that is supposed to divide it into equal parts.

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Meteorology

The science of the atmosphere; the study of atmospheric phenomena.

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Metes and Bounds

Description of the perimeter of a parcel of land in terms of its bearings and distances and/or its relationship to natural or manmade features and adjacent parcels.

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Metric Measurement

A decimal system of units based on the meter as a unit length, the kilogram as a unit mass, and the second as a unit time.

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Metropolitan Toronto Transportation Department (MTR)

The source of any distance or direction used to re-establish or verify a property boundary must be documented on the face of the survey. Municipalities and other governmental agencies perform surveys of roads and land under their control. Reliance on distances and directions off municipal road surveys is standard in boundary re-establishment, as they provide previous survey evidence for consideration by the Surveyor in giving his legal opinion.

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Mine Survey

A survey to determine the positions and dimensions of underground passages of a mine.

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Minimum Lot Size

Smallest permitted lot size which conforms with municipal zoning.

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Minimum Setback

Limitation on proximity of a permitted structure to a boundary according to municipal zoning.

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Minister

Means the Minister of Government with a specific executive portfolio in a legislative cabinet.

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Minor Variance

A minor variance is a small variation from the requirements of the zoning by-law. A minor variance approval is a certificate of permission, because it allows the property owner to obtain a building permit even though their property does not comply precisely with the zoning by-law.

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Misclosure

The amount by which a series of survey measurements fail to yield a theoretical or previously determined value for a survey quantity; hence a measure of the accumulated errors and blunders in the work.

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Misdescription

An inaccurate description, often fraudulent.

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Monument

Any thing, device or object used to mark or witness a boundary of surveyed lands.

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More or Less

When used in connection with quantity or distance in a conveyance of land are intended to cover some slight or unimportant inaccuracy.

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Mortar

A mixture of sand, water, lime and cement used to lay bricks, stone, tile or concrete block.

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Mortgage

Includes a charge under the Land Titles Act, in which case "mortgagor" and "mortgagee" mean the chargor and the chargee under the charge.

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Mortgage Survey

See definition for "Surveyor's Real Property Report".

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Moulding

A decorative raised surface along the edge of an architectural feature such as a window, column, door or wall.

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Mullions

The wooden divisions between panes of glass on windows.

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Municipal Address

Also known as a civic address; typically the number on a house or building associated with the mailing address that is assigned by the local municipality.

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Municipal Plan

A plan prepared under section 91 of the Registry Act.

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Municipality

A geographic area legally incorporated.

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