جستجو
زبان دیکشنری را انتخاب کنید
Ballast
01
بار تعادل, وزنه برای پایداری
a heavy substance placed in a ship's hull or an airship's tanks to lower its center of gravity and counteract unwanted tilting, rolling, or drifting
مثالها
To climb above the mountain pass, the dirigible pilot jettisoned ballast sandbags.
برای صعود به بالای گردنه کوه، خلبان کشتی هوایی کیسههای شن بار تعادل را پرتاب کرد.
02
an electrical device used to start and regulate the current in fluorescent or discharge lamps
مثالها
A new electronic ballast made the lamp more energy-efficient.
03
متعادلکننده, ایستابخش
something that provides mental, emotional, or moral stability
مثالها
Friendship can be a ballast against the stresses of modern life.
04
crushed stone laid to form a stable foundation for roads or railway tracks
مثالها
The track ballast helps drain water and keep rails properly aligned.
to ballast
01
to make something stable or balanced by adding or using ballast, which is a heavy material used to provide stability
مثالها
Engineers ballast the bridge supports to keep them steady during construction.
