How to Test a Hygrometer. Community Q&A. If you're a cigar aficionado, you need a hygrometer to make sure you're storing your wares at the correct humidity. A hygrometer is an instrument that is used to measure humidity in cigar humidors as well as greenhouses, incubators, museums, and more. To ensure that your hygrometer is functioning properly, it is best to test it prior to use, then calibrate it if necessary.
uk â /ÉªnËfÉË.mÉnt/ us â /ÉªnËfÉËr.mÉnt/. âº someone who gives information to another person or organization: a police/secret informant. Our survey is based on information from over 200 informants. Thesaurus: synonyms and related words.
Full Definition of OBSERVATION. 1. a: an act or instance of observing a custom, rule, or law b: observance 3. 2. b: a record or description so obtained. 3. : a judgment on or inference from what one has observed; broadly: remark, statement.4. obsolete: attentive care: heed.5. I'm just making an observation about the style. 2  Her constant observations about the weather bored me. 3  These facts are based on close observation of the birds in the wild. 4  Observations made using the telescope have led to new theories. 5  Some interesting observations came from the study.