It's the abbreviation for Mean Corpuscular Hemoglobin. This is a measure for how much hemoglobin per red blood cell count. MCH stands for Mean Corpuscular Hemoglobin. It is a measure of the average amount of hemoglobin in each red blood cell. 9 people found this useful.
Human Interface Device (HID) Definition - What does Human Interface Device (HID) mean? A human interface device (HID) is a method by which a human interacts with an electronic information system either by inputting data or providing output. A myriad of HID devices exist. The most common are the keyboards, mice, computer speakers, webcams and headsets.
uk â /haÉªd/ us â /haÉªd/ hid, hidden. B1 [ I or T ] to put something or someone in a place where that thing or person cannot be seen or found, or to put yourself somewhere where you cannot be seen or found: She used to hide her diary under her pillow. A kilo of heroin was found hidden inside the lining of the suitcase.