barometer What is the Definition of barometer?Noun:an instrument that measures atmospheric pressure Other meanings of barometer (synonyms, cognates). ENRU barometer барометр Frequently viewed: ahead meaningform meaningunlucky meaningstudio definitionmind meaninglogic meaningalternatively meaningimperative meaningcertain meaningpiece definitionshow meaningdefinition of particularly A B C D E F G H I J K L M N O P Q R S T U V W X Y Z