MLchartDataset catalogue

DDD

Term · Industrial and trades · MLC-T-IND-001581

An abbreviation for Direct Distance Dialing, a telephone service that allows a caller to directly dial long-distance calls without the assistance of an operator. This system revolutionized telecommunications by providing immediate access to distant parties. It became widely available in the mid-20th century, replacing operator-assisted calls.

Table 1. Record
IdentifierMLC-T-IND-001581
FieldIndustrial and trades
SubjectElectrical engineering
TranslationsGerman: DDD; Spanish: DDD; French: DDD
Record as JSON
{
  "id": "MLC-T-IND-001581",
  "term": "DDD",
  "field": "Industrial and trades",
  "definition": "An abbreviation for Direct Distance Dialing, a telephone service that allows a caller to directly dial long-distance calls without the assistance of an operator. This system revolutionized telecommunications by providing immediate access to distant parties. It became widely available in the mid-20th century, replacing operator-assisted calls.",
  "subject": "Electrical engineering",
  "translations": {
    "de": "DDD",
    "es": "DDD",
    "fr": "DDD"
  },
  "url": "https://mlchart.com/terminology/industrial/ddd/"
}

Record 1,751 of 7,361 in Industrial and trades terminology (MLC-0113). Request the full dataset.