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: past definitiondefinition of expressdefinition of listdefinition of womandefinition of likeddefinition of majortag in a sentenceparticular in a sentencenight definitionchapter meaningdefinition of usefulbusy definition 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