isoclinal

/,aisou'klainik/ Cách viết khác : (isoclinal) /,aisou'klainəl/
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isoclinal

An isoclinal line is drawn on a magnetic map of a region.

Definition

  1. Adjective:

    • Having equal magnetic inclinations: Describes lines or points on a map that share the same angle of magnetic dip (the angle between the Earth's magnetic field lines and the horizontal plane).

  2. Noun:

    • An isogram connecting points of equal magnetic inclination: A line on a map, specifically an isoclinic line, that joins all locations where the magnetic inclination (dip) is identical.
Usage Examples

  • Adjective:

    • The scientist studied the isoclinal chart to understand the magnetic field's geometry.
    • These two locations are isoclinal, meaning a compass needle would dip at the same angle at both places.

  • Noun:

    • The map featured a prominent isoclinal running through the continent.
    • By following the isoclinal, researchers can trace areas of consistent magnetic dip.
Advanced Usage

  • "isoclinal line": A more specific term synonymous with the noun form, explicitly denoting the contour line on a map.

    • The isoclinal line for 60 degrees north was clearly marked.

  • In structural geology: While the primary definition relates to geomagnetism, in geology, "isoclinal" can describe tightly folded rock layers where the two limbs are parallel. This is a specialized, context-dependent usage.

    • The geologists identified an isoclinal fold in the mountain strata.
Variants and Related Words
  • Isoclinic (adjective/noun): A direct synonym. An isoclinic line is the same as an isoclinal (noun).
  • Isogonal (adjective/noun): Refers to lines connecting points of equal magnetic declination (the angle between magnetic north and true north), often contrasted with isoclinal lines.
  • Isogram (noun): A general term for a line on a map connecting points with equal value of a specific quantity (e.g., isobar for pressure, isotherm for temperature).
Synonyms
  • Isoclinic (adj & n): Having or being an equal inclination line.
  • Magnetic contour line (n, descriptive).
Related Terms and Concepts
  • Magnetic inclination (Dip): The vertical angle being measured.
  • Magnetic equator: The isoclinal line where the magnetic inclination is zero (the magnetic field is horizontal).
  • Agonic line: An isogonal line where magnetic declination is zero.
isoclinal

An isoclinal line is drawn on a magnetic map of a region.

Adjective
  1. having equal magnetic inclinations
Noun
  1. an isogram connecting points of equal magnetic inclination

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