Ink-jet printer and Thermal printer

Ink-jet printer noun - A printer that produces characters by projecting electrically charged droplets of ink.

Thermal printer and ink-jet printer are semantically related in printing machine topic. In some cases you can use "Thermal printer" instead a noun phrase "Ink-jet printer".

Thermal printer noun - A printer that produces characters by applying heat to special paper that is sensitive to heat.

Ink-jet printer and thermal printer are semantically related in computer peripheral device topic. You can use "Ink-jet printer" instead a noun phrase "Thermal printer".