conductivity

/,kɔndʌk'tiviti/

Thân thiện

A copper wire demonstrates high electrical conductivity.

Definition

1. Noun:
   • The property or power of conducting or transmitting heat, electricity, or sound: "Conductivity" refers to the ability of a material or medium to allow the flow of energy (thermal, electrical) or the propagation of sound waves through it.

Usage

• "Conductivity" is a scientific and technical term, most commonly used in physics, engineering, and materials science.
• It is typically used with a modifier specifying the type of energy being conducted (e.g., , , ).
• It is an uncountable noun when referring to the general property.

Examples

• Noun:
  • Copper has high electrical conductivity, which is why it is used for wiring.
  • The thermal conductivity of this insulating material is very low.
  • Scientists measured the soil's conductivity to assess its salinity.

Advanced Usage

• "Electrical conductivity": A measure of a material's ability to conduct an electric current.
  • The electrical conductivity of seawater is much higher than that of freshwater.
• "Thermal conductivity": A measure of a material's ability to conduct heat.
  • Diamond has exceptionally high thermal conductivity.
• "Hydraulic conductivity": (In earth sciences) A measure of the ease with which water can move through pore spaces or fractures in soil or rock.
  • The aquifer's high hydraulic conductivity allows for rapid groundwater flow.

Variants and Related Words

• Conduct (verb): To allow (heat, electricity, etc.) to pass along or through.
  • Metals conduct electricity well.
• Conductor (noun): A material or object that allows the flow of energy.
  • A lightning rod is made of a good conductor like copper.
• Conductive (adjective): Having the property of conducting.
  • The gel is electrically conductive.
• Conductance (noun): The degree to which an object conducts electricity, calculated as the reciprocal of electrical resistance.
  • They calculated the circuit's conductance.

Synonyms

• Transmissivity: The capacity to transmit (often used for fluids or radiation).
• Permeability: The property of a material that allows fluids or gases to pass through it (related but distinct; often used in geology and biology).

Antonyms

• Resistivity: A measure of how strongly a material opposes the flow of electric current (the inverse of electrical conductivity).
  • Rubber has high electrical resistivity.
• Insulation: The state of being protected from the passage of heat, electricity, or sound.
  • The wall's insulation reduces thermal conductivity.

Học thuật

Noun

1. the transmission of heat or electricity or sound

Từ đồng nghĩa

• conduction