sunburn

definition: redness of the skin caused by exposure to the rays of the sun
example:
speech part: noun
synonyms: erythema solare
definition: a browning of the skin resulting from exposure to the rays of the sun
example:
speech part: noun
synonyms: tan
definition: get a sunburn by overexposure to the sun
example:
speech part: verb
synonyms: burn

How sunburn is being used?