ballast

definition: any heavy material used to stabilize a ship or airship
example:
speech part: noun
synonyms:
definition: an electrical device for starting and regulating fluorescent and discharge lamps
example:
speech part: noun
synonyms: light ballast
definition: a resistor inserted into a circuit to compensate for changes (as those arising from temperature fluctuations)
example:
speech part: noun
synonyms: ballast resistor barretter
definition: an attribute that tends to give stability in character and morals
example:
speech part: noun
synonyms:
definition: coarse gravel laid to form a bed for streets and railroads
example:
speech part: noun
synonyms:
definition: to make a ship steady with a ballast
example: We need to ballast the ship.
speech part: verb
synonyms:

ballast is explained and pronounced

How ballast is being used?