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.
| Identifier | MLC-T-IND-001581 |
|---|---|
| Field | Industrial and trades |
| Subject | Electrical engineering |
| Translations | German: 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.