12-Letter Words Starting H & Ending Y

• the state of being homozygous; having two identical alleles of the same gene

• an abnormal condition in which cerebrospinal fluid collects in the ventricles of the brain; in infants it can cause abnormally rapid growth of the head and bulging fontanelles and a small face; in adults the symptoms are primarily neurological

• the use of hypnosis in psychotherapy

• in a horizontal direction

• the internal and external use of water in the treatment of disease

• excessive acidity