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Related to expansivity: Thermal expansivity


1. Capable of expanding or tending to expand.
2. Broad in size or extent; comprehensive: expansive police powers.
3. Open and communicative; talkative or effusive: Wine made the guest expansive.
4. Grand in scale: an expansive lifestyle.

ex·pan′sive·ly adv.
ex·pan′sive·ness, ex′pan·siv′i·ty (ĕk′spăn-sĭv′ĭ-tē) n.


1. the quality of being expansive
2. (General Physics) another name for coefficient of expansion


(ˌɛk spænˈsɪv ɪ ti)

the quality or state of being expansive.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.expansivity - the fractional change in length or area or volume per unit change in temperature at a given constant pressure
coefficient - a constant number that serves as a measure of some property or characteristic
2.expansivity - a quality characterized by magnificence of scale or the tendency to expand; "the expansiveness of their extravagant life style was soon curtailed"
impressiveness, magnificence, grandness, richness - splendid or imposing in size or appearance; "the grandness of the architecture"; "impressed by the richness of the flora"
3.expansivity - a friendly open trait of a talkative person
communicativeness - the trait of being communicative
References in periodicals archive ?
In addition, forged products made from Shotic also show high strength, high abrasion resistance, and low thermal expansivity.
This had become even more significant due to expansivity of gas and electricity sectors due to inclusion of vast quantities of imported LNG and energy linked projects under China-Pakistan Economic Corridor (CPEC), sources said.
Density, thermal expansivity, and compressibility of liquid water from 0[degrees] to 150[degrees]C: Correlations and tables for atmospheric pressure and saturation reviewed and expressed on 1968 temperature scale.
23 Material Thermal Thermal Specific expansivity, conductivity, heat capacity [10.
Also the clay sample without marble is classified as "Moderate" in terms of expansivity but its class become "Negligible" in terms of expansivity when it contains 20% marble powder.
However, as will be shown below, the volume expansivity of certain fluids, such as hydrocarbon blends and silicone oils, is large enough to be of importance.
Density, Thermal Expansivity, and Compressibility of Liquid Water from 0" to 150[degrees]C: Correlations and Tables for Atmospheric Pressure and Saturation Reviewed and Expressed on 1968 Temperature Scale.
p], [beta], and k denote time, velocity vector, temperature, pressure, stress tensor, shear rate, density, viscosity, specific heat, expansivity, and thermal conductivity, respectively.
From B and from handbook values of heat capacity C, volume thermal expansivity [beta], and volume V, we computed the effective Gruneisen parameter:
Building on expansive soils requires arrangements that generally depend on the expansivity of the soil, but these arrangements often generate some important over costs.
In this case, the CA is said to possess positive expansivity.