Definition of expansional:
(n) :
the act or process of
expanding; the fractional change in unit length per unit length per unit temperature change
"the expansion of metals and plastics in response to heat is well understood."
Definition of expansional:
(n) :
the act or process of
expanding; the fractional change in unit length per unit length per unit temperature change
"the expansion of metals and plastics in response to heat is well understood."