| 1. | a person or thing that stabilizes. |
| 2. | Aeronautics. a device for stabilizing an aircraft, as the fixed, horizontal tail surface on an airplane. Compare horizontal stabilizer, vertical stabilizer. |
| 3. | Nautical.
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| 4. | any of various substances added to foods, chemical compounds, etc., to prevent deterioration, the breaking down of an emulsion, or the loss of desirable properties. |
| 5. | any compound that, when included with an explosive, decreases the ability of the latter to decompose spontaneously. |
| 6. | a substance, as beeswax or aluminum stearate, added to a fast-drying oil paint to improve the dispersion of pigment. |
| 7. | a comparatively large shock absorber for motor vehicles. |
| 8. | Military.
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| 9. | Navy. any of various devices or systems used to keep a submarine or a torpedo at the proper depth or in the proper position. |