aqualung

Thân thiện

A diver uses an aqualung to explore a coral reef.

Definition

Noun: A portable breathing apparatus for free-swimming divers, consisting of one or more cylinders of compressed air strapped to the diver's back and connected by a hose to a mouthpiece. It supplies air to the diver on demand, enabling extended underwater exploration.

Usage

The term "aqualung" specifically refers to the underwater breathing apparatus. It is often used in historical or technical contexts. * The inventor tested the first aqualung in the Mediterranean Sea. * Modern divers often use the more general term "scuba," but the principle is based on the original aqualung.

Advanced Usage

• The word "Aqualung" is a trademark (Aqua-Lung) for the original apparatus invented by Jacques Cousteau and Émile Gagnan. In non-commercial use, it is often written in lowercase.
• It can be used attributively (like an adjective) to describe related activities or equipment.
  • He is an expert in aqualung diving techniques.

Variants and Related Words

• Scuba (noun): The more common modern term, an acronym for Self-Contained Underwater Breathing Apparatus. It is functionally synonymous with "aqualung" in general usage.
• Scuba gear / Aqualung gear (noun phrase): The full set of equipment used for diving, including the breathing apparatus, mask, fins, etc.
• Rebreather (noun): A more advanced type of underwater breathing apparatus that recycles the diver's exhaled breath.

Synonyms

• Scuba (noun)
• Underwater breathing apparatus (noun phrase)

Related Phrases

• To go aqualung diving: To engage in diving using an aqualung.
  • They learned to go aqualung diving on their vacation.

Học thuật

Noun

1. a device (trade name Aqua-Lung) that lets divers breathe under water; scuba is an acronym for self-contained underwater breathing apparatus

Từ đồng nghĩa

• Aqua-Lung
• scuba