| the deposition of lime or insoluble salts of calcium and magnesium |
| having a low threshold of sensation or feeling |
fatigue fa·tigue (fə-tēg')
n.
Physical or mental weariness resulting from exertion.
A sensation of boredom and lassitude due to absence of stimulation, to monotony, or to lack of interest in one's surroundings.
The decreased capacity or complete inability of an organism, an organ, or a part to function normally because of excessive stimulation or prolonged exertion.