used to express surprise, suspicion, triumph, etc.
Ha! That'll teach you!
hectare(s)
the name formerly proposed by the American Chemical Society for the chemical element of atomic number 105 (dubnium), and by IUPAC for element 108 (hassium)
a metric unit of square measure, equal to 100 ares (2.471 acres or 10,000 square metres)
the chemical element hahnium