fogsignal

Thân thiện

A lighthouse emits a deep, resonant fogsignal across the misty harbor.

Definition

Noun: A fogsignal is a loud, low-pitched warning signal, such as a horn, siren, or explosive sound, used to alert ships navigating in or near fog. Its primary purpose is to prevent collisions by making a vessel's presence known when visibility is severely reduced.

Usage

The word fogsignal is used to refer to the specific audible warning device or the sound it produces. It is a technical term primarily used in maritime contexts. - The lighthouse keeper activated the fogsignal as the dense mist rolled in. - Ships are required to sound their fogsignal at regular intervals when visibility is poor.

Advanced Usage

• As a countable noun: It typically refers to a single instance or type of signal.
  • Each buoy in the channel is equipped with a distinct fogsignal.
• The concept is integral to maritime safety protocols and navigational rules.

Variants and Related Words

• Fog signal: A common alternative spelling, written as two separate words.
• Foghorn: A specific type of fogsignal that uses a horn or trumpet to produce sound.
• Maritime signal: A broader term for any signal used at sea.
• Navigation warning: A general term for alerts about hazards.

Synonyms

• Foghorn
• Warning signal
• Maritime alert
• Sound signal

Related Phrases

• To sound a fogsignal: The action of activating the warning device.
  • The captain ordered the crew to sound the fogsignal every two minutes.
• Fogsignal station: A fixed location, often at a lighthouse or on shore, from which signals are emitted.

Học thuật

Noun

1. a loud low warning signal that can be heard by fogbound ships

Từ đồng nghĩa

• foghorn