life vest

Thân thiện

A child wears a bright orange life vest on the boat deck.

Definition

Noun: A sleeveless jacket designed to keep a person afloat in water. It is a type of personal flotation device (PFD) that can be inherently buoyant or capable of being inflated.

Usage

A "life vest" is a critical piece of safety equipment used on boats, aircraft, and near water. It is worn to prevent drowning by providing buoyancy.

Examples

• Noun:
  • Before the boat departed, the captain instructed everyone to put on a life vest.
  • The airline requires that a life vest be located under every passenger seat.
  • The child's life vest had a bright color and a whistle attached.

Advanced Usage

• "To don a life vest": To put on a life vest.
  • Passengers must don their life vests immediately upon hearing the alarm.
• "Properly fitted life vest": A life vest that is correctly adjusted for the wearer's size and weight.
  • A life vest that is not properly fitted may not function correctly in an emergency.

Variants and Related Words

• Life jacket: A common synonym for "life vest."
• Personal Flotation Device (PFD): The official term that includes life vests, life jackets, and other buoyancy aids.
• Buoyancy aid: A type of PFD designed for conscious users in calm, sheltered waters where help is close by, often less bulky than a standard life vest.

Synonyms

• Life preserver
• Life jacket
• Buoyant vest

Related Phrases

• "To wear a life vest": To have a life vest on one's body.
  • It is the law to wear a life vest in this type of watercraft.
• "Inflatable life vest": A life vest that uses a gas cartridge to inflate when activated, either manually or automatically upon contact with water.
  • Many sailors prefer an inflatable life vest because it is less restrictive.

Học thuật

Noun

1. life preserver consisting of a sleeveless jacket of buoyant or inflatable design

Từ đồng nghĩa

• life jacket
• cork jacket