Itching can be prevented only to the extent that the underlying cause(s) of the itching sensation can be prevented. For example, careful use of sunscreen products can prevent the itching associated with sunburn. Keeping well hydrated and using moisturizers can prevent the itch associated with dry skin.
brownout (plural brownouts) 1  A period of low alternating current line voltage, causing a reduction in illumination When demand for electricity exceeds the available supply, a brownout occurs. 2  Temporary dimming of vision, usually with a brown hue and accompanied by loss of peripheral vision or tunnel vision. On rising suddenly from her chair she experienced a brownout and had to sit down again quickly. Temporary closing of a fire station, usually due to budget restrictions.
What is the difference between a blackout and a brownout? Blackouts are a complete loss of power and can last from hours to weeks. Brownouts are when there is a reduction in voltage, causing TVs sound to become crackly, and digital d â¦ isplays and light-bulb to become faint.