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
Submarines flood their ballast tanks to dive and pump them out to resurface safely.
زیردریاییها مخازن بالاست خود را برای غوطهوری پر از آب میکنند و برای صعود ایمن به سطح، آنها را پمپاژ میکنند.
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
The electrician replaced the faulty ballast in the ceiling light.
A new electronic ballast made the lamp more energy-efficient.
03
متعادلکننده, ایستابخش
something that provides mental, emotional, or moral stability
مثالها
Her calm judgment served as ballast during the crisis.
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
Workers spread fresh ballast beneath the railway ties.
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
The crew ballasted the ship to prevent it from tilting in rough seas.
Engineers ballast the bridge supports to keep them steady during construction.
