Question

what is meant by kelvin

Answer 1

Kelvin. ... The kelvin (symbol: K) is the base unit of temperature in the International System of Units (SI). Until 2018, the kelvin was defined as the fraction ​1⁄273.16 of the thermodynamic temperature of the triple point of water (exactly 0.01 °C or 32.018 °F).

Answer 2

Kelvin is the absolute temperature. It is a unit which is used to measure temperature.