A small number of RBCs are normally present in urine and usually result in a negative chemical test. An increased amount of hemoglobin and/or increased number of RBCs are detected as a positive chemical test result.
gigahertz. n, pl-hertz. 1. (Units) a unit of frequency equal to 10 9 hertz. Symbol: GHz.
1 What GHz Means for Your Computer If you are using your computer, GHz is part of what helps your computer to run quickly. 2  GHz stands for gigahertz. 3  This term describes your computer's processor speed.