Some of these cookies are essential to the operation of the site,
while others help to improve your experience by providing insights into how the site is being used.
Explanation: hg is the chemical symbol for mercury. It seems the sentence is stating the air pressure in the room. Since I'm not a scientist myself and have never really interested myself in air pressure, I don't know how that would be said in layman's terms. What units are commonly used to measure atmospheric pressures? Atmospheres??
Login or register (free and only takes a few minutes) to participate in this question.
You will also have access to many other tools and opportunities designed for those who have language-related jobs
(or are passionate about them). Participation is free and the site has a strict confidentiality policy.