conductivity
UK[ˌkɒndʌkˈtɪvəti]US[ˌkɑːndʌkˈtɪvəti]
n
The ability of a material to allow electricity or heat to pass through it.
n
The degree to which a specified material conducts electricity, measured as the reciprocal of resistivity.
Morpheme Breakdown
conduct
ivity
conduct
to lead
ivity
state or quality
Etymology
The word 'conductivity' is a modern scientific term built upon the classical Latin root 'conducere', meaning 'to lead together' or 'to bring'. The core concept of 'leading' evolved from the physical act of guiding or channeling to the abstract scientific principle of transmitting energy. The suffix '-ivity', a compound of '-ive' and '-ity', was appended to form a noun describing the inherent property or capacity of a material to 'lead' or transmit heat or electricity. Thus, the term's logic flows from the literal ancient idea of 'leading through' to the modern measurement of a substance's ability to facilitate the passage of energy.
Analysis
Structure: conduct (to lead) + ivity (state or quality)
- conduct: From Latin 'conductus', the past participle of 'conducere' meaning 'to lead or bring together'. In this word, it functions as the base carrying the core meaning of 'leading' or 'transmitting'.
- ivity: A suffix derived from Latin '-ivus' (forming adjectives) + '-itas' (forming nouns), indicating a state, condition, or quality. Here, it transforms the adjective 'conductive' into the noun denoting the abstract quality.
Examples
Copper has high electrical conductivity, making it ideal for wiring.
The thermal conductivity of the new insulator was tested in the laboratory.
Salinity increases the conductivity of water.