Galena, Illinois. Galena is the largest city in and the county seat of Jo Daviess County, Illinois, with a population of 3,429 at the 2010 census. A 581-acre (235 ha) section of the city is listed on the National Register of Historic Places as the Galena Historic District.
noun. Influence from members of oneâs peer group: his behaviour was affected by drink and peer pressure. More example sentences. 1  At the age of twelve I was influenced by peer pressure and started to drink cider which is a popular drink among young people as it is cheap and strong.
The Reid vapor pressure (RVP) is frequently used as an indication of volatility of liquid hydrocarbons. The RVP is defined as the absolute pressure (i.e., psia or bar) exerted by a mixture, determined at 100 ÂºF (37.8 ÂºC) and at a vapor to liquid ratio of 4. This is different than the true vapor pressure which is defined as the pressure of a vapor in equilibrium with its condensed phase at a specific temperature.