Function: noun
Date: circa 1911
1 : a line representing changes of pressure or temperature under conditions of constant volume
2 : a line (as a contour line) drawn on a map and indicating a true constant value throughout its extent
Function: noun
Date: circa 1911
1 : a line representing changes of pressure or temperature under conditions of constant volume
2 : a line (as a contour line) drawn on a map and indicating a true constant value throughout its extent
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012