dew point

English Thesaurus

1. the temperature at which the water vapor in the air becomes saturated and condensation begins (noun.attribute)

hypernym	:	temperature,
definition	:	the degree of hotness or coldness of a body or environment (corresponding to its molecular activity) (noun.attribute)

hypernym	:	saturation point,
definition	:	(chemistry) the stage at which a substance will receive no more of another substance in solution or in a vapor (noun.state)