Full Definition of DRAGONFLY. : any of a suborder (Anisoptera) of odonate insects that are larger and stouter than damselflies, hold the wings horizontal in repose, and have rectal gills during the naiad stage; broadly: odonate.See dragonfly defined for English-language learners.See dragonfly defined for kids. any of a suborder (Anisoptera) of odonate insects that are larger and stouter than damselflies, hold the wings horizontal in repose, and have rectal gills during the naiad stage; broadly: odonate. See dragonfly defined for English-language learners. See dragonfly defined for kids.
The value of this constant is positive 1.7976931348623157E+308. The result of an operation that exceeds Double.MaxValue is Double.PositiveInfinity. In the following example, Double.PositiveInfinity results from addition, multiplication, and exponentiation operations when the result exceeds Double.MaxValue.
twice as large, heavy, strong, etc.; twofold in size, amount, number, extent, etc.: a double portion; a new house double the size of the old one. composed of two like parts or members; twofold in form; paired: double doors; a double sink. of, relating to, or suitable for two persons: a double room.