1 (of a theory, plan, or agreement) formed very carefully in every detail so that nothing is uncertain or in doubt:
2 If a football team has a watertight defence, it stops an opponent from scoring a goal. :
They remained water-tight because they had no door to other water-tight compartments.
Stretchable and water-tight latex caps became widely available in the 1920s and more durable and smooth silicone caps in the 1970.
The needles are leaned against a solid frame and are not intended to be water-tight.
In addition, although the ship should have been at action stations, she was sailing with the water-tight doors open.
After all, we don't have a watertight definition of most of the important biological concepts : ' 'life, ' ' ' 'species, ' ' and ' 'gene.
After making sure all vehicles have exited the motorway, automated water-tight gates will be opened to allow flood waters to pass through.
As part of the restoration of the canal the aqueduct was lined with a concrete cradle and made water-tight in 1980.
Once applied it was smoothed before drying to create an air- and water-tight barrier against the elements.
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無水, 防水的,水密的, 不透水的…
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无水, 防水的,水密的, 不透水的…
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hermético, estanque…
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à prova d’água, impermeável…
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防水の, 水密の…
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su geçirmez, su sızdırmaz, su götürmez…
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étanche…
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hermètic…
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