Definitions for "GDD"
Global data dictionary (from AT&T 1995)
Global Developmental Delay (a diagnosis)
Global Data Dictionary. Lays down the common definitions for master data (neutral and relationship dependent).
growing degree days. The number of degrees that the average temperature is above a baseline value. Every degree that the average temperature is above a baseline value becomes a growing degree day. Used by horticulturists and growers to predict the date that a crop will reach maturity.
Abbreviation for growing degree-day.