Definition

1. Noun:
   • The state or condition of being tangent: The geometric property of two curves or surfaces touching at a single point or along a line without intersecting or crossing.
   • A point of contact: The specific location where two objects, such as electrical conductors, meet and are in physical contact.

Examples of Usage

• Noun:
  • The tangency of the circle to the line occurs at exactly one point.
  • The engineer checked the tangency of the two wires to ensure a proper electrical connection.

Advanced Usage

• "Point of tangency": The precise point where a tangent line touches a curve.
  • Find the coordinates of the point of tangency between the parabola and the line.
• "Line of tangency": In three dimensions, the line along which a plane is tangent to a surface.
  • The plane and the cylinder share a line of tangency.

Variants and Related Words

• Tangent (n): A straight line or plane that touches a curve or curved surface at a point but does not intersect it at that point.
  • The line is a tangent to the circle.
• Tangential (adj): Merely touching or slightly connected; only superficially relevant.
  • His comment was only tangential to the main topic of discussion.

Synonyms

• Contact: The state of touching or meeting.
• Contiguity: The state of being in direct contact; adjacency.

Related Phrases

• To be tangent to: To be in a state of tangency with.
  • This curve is tangent to the x-axis at the origin.

Noun

1. (electronics) a junction where things (as two electrical conductors) touch or are in physical contact
   • they forget to solder the contacts
2. the state of being tangent; having contact at a single point or along a line without crossing