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| an obscure term ostensibly referring to a lung disease caused by silica dust, sometimes cited as one of the longest words in the English language. |
| a white, crystalline, water-insoluble solid, C14H9Cl5, usually derived from chloral by reaction with chlorobenzene in the presence of fuming sulfuric acid: used as an insecticide and as a scabicide and pediculicide: agricultural use prohibited in the U.S. |
neurasthenia neu·ras·the·ni·a (n&oobreve;r'əs-thē'nē-ə, ny&oobreve;r'-)
n.
A complex of symptoms characterized by chronic fatigue and weakness, loss of memory, and generalized aches and pains.