Diving dress and Protective garment

Diving dress noun - A weighted and hermetically sealed garment supplied with air; worn by underwater divers.

Protective garment and diving dress are semantically related. In some cases you can use "Protective garment" instead a noun phrase "Diving dress".

Protective garment noun - Clothing that is intended to protect the wearer from injury.

Diving dress and protective garment are semantically related. Sometimes you can replace phrase "Diving dress" with "Protective garment", this phrases are similar.