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Multi-word Results
| balloon tire |
a wide tire with deep walls that is inflated with relatively low air pressure to cushion shocks or facilitate travel on sand. |
| barrage balloon |
one of a number of anchored balloons from which wires or nets are suspended to discourage low-flying enemy aircraft from attacking military installations or cities. |
| hot-air balloon |
a bag made of thin material that is inflated with hot air, causing it to rise and float in the atmosphere. Large hot-air balloons can be attached to a basket or gondola, and used to transport people or equipment. |
| pilot balloon |
a small balloon released to determine wind speed and direction. |
| trial balloon |
any tentative action, statement, policy, or program that is released to test public opinion before a final version is put into effect. [2 definitions] |
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