That link also provides definitions of unimodal and bi-modal. A general definition of unimodal would be having a single mode, and I would interpret mono-modal to mean the same thing.I would thus assume that mono-modal and unimodal are used to mean the same thing when discussing rainfall patterns.hat link also provides definitions of unimodal and bi-modal. A general definition of unimodal would be having a single mode, and I would interpret mono-modal to mean the same thing.
Pain around your kidneys can also be caused by other problems, such as: 1  problems with your spine or ribs. 2  muscle pain. 3  pneumonia. 4  a problem with your spleen or your liver. 5  a hernia.
A tender spleen may be caused by a blood disorder called polycythemia vera. Polycythemia vera occurs when bone marrow cells rapidly increase causing an enlarged and tender spleen, according to the MayoClinic.com. This disorder is typically triggered by changes in the DNA of a single bone marrow cell.