Anion: To watch closely with one eye.
Anode: To understand, as in "anode that was right".
Atom: An un-neutered male cat.
Cathode: A poem to a girl named Cathy
Cathodic Reaction: The kiss or slap following cathode.
Cation: To be watched closely by a feline.
Caustic: To be sharp tongued.
Concentration Cell: Solitary confinement.
Current Density: Today's stupidity.
Electrical Balance: Motorized bathroom scales.
Electrode: A road for an electric train.
Electrolyte: An incandescent or fluorescent light, as opposed to a kerosene lamp.
Electromotive: An electric train.
Embrittlement: To become hard-hearted.
Galvanic: Transportation of girls by car or bus.
Galvanic Coupling: Intercourse taking place during transportation of girls by car or bus.
Galvanic Series: Transportation of girls by 2 or more cars or buses.
Ground Bed: A sleeping jail without a cot.
Half Cell: A narrow jail.
Inhibitors: Parents of girl being present.
Ion: To watch closely.
Molecular: A lawn infested by moles.
Neutralization: To castrate.
Oxidation: A primitive farming technique, using ox drawn plows.
Oxide: Hide or rug made from skin of an ox.
Passivity: A non-responsive reaction displayed by partner during intercourse.
Polarize: Frozen eyeballs.
Precipitation: Falling down a steep hill.
Proton: In favor of heavy dates (male/female).
Rectify: To tear up.
Reduction: A stocking area with mallards.
Solution: The answer to the problem.
Stagnation: A country with no women.
Stress Cracking : A nervous breakdown
Valance: A rod to hang curtains from.
Note: a few of the above definitions are sexist. This dates back to when engineering was almost completely a male profession. If you can suggest alternatives, please do. I have altered a few of the above from my original source. (reference)