This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. The act or process of corroding.

n. The condition produced by corroding.

n. A substance, such as rust, formed by corroding.

n. The act of corroding or the condition so produced.

n. A substance (such as rust) so formed.

n. Erosion by chemical action, especially oxidation.

n. The gradual destruction or undermining of something.

n. The action or effect of corrosive agents, or the process of corrosive change.

n. Literally, the act or process of eating or gnawing away; hence, the process of wearing away, disintegrating, or destroying by the gradual separation of small parts or particles, especially by the action of chemical agents, as acids: often used figuratively of the destructive influence of care, grief, time, etc.

n. In geology, the solution and removal of rocks, usually in water; the eating away by fusion and absorption of a solid mass of rock or of a mineral which is inclosed in a molten magma.

n. a state of deterioration in metals caused by oxidation or chemical action

n. erosion by chemical action

"With the rainy season, connections all along the cable need to be checked, and replaced if any water or corrosion is noted."

deterioration    impairment   

corrosion preparation   

corrosible   

consumption    gnawing    etching    rusty   

erosion    explosion    implosion   

erosion    rust    deterioration    oxidation    contamination    dent    discoloration    deformation    depletion    attrition