Definition of "adapter" in English

noun

1. One who is capable of adapting to differing situations.

   • He was an able adapter, and could easily adjust to the differences when the company changed ownership.

2. One who adapts a thing, e.g. a play.

   • The critic gave rave reviews to the adapter of the ancient play, who worked to give the text more relevance to the modern day.

3. A device or application used to achieve operative compatibility between devices that otherwise are incompatible.

   • He had an adapter that let him plug his phone into the car's cigarette lighter for power.

4. (machine learning, artificial intelligence) A collection of low-rank matrices which, when added to a base model, produces a fine-tuned model; a LoRA.