Environmental Analysis

noun An abbreviation for American Astronomical Society, a professional society for astronomers in the United States.

• The use of AAS (anabolic-androgenic steroids) is strictly prohibited in professional sports.
• I heard some athletes are using AAS to enhance their performance.
• Bro, do you know where I can get some AAS for my workout?
• AAS can be seen as a shortcut to achieving physical gains, but the long-term consequences can be detrimental.

noun a colorless liquid organic compound used as a solvent and in chemical synthesis

• Acetonitrile is commonly used as a solvent in various chemical processes.
• I spilled some acetonitrile in the lab today, what a mess!
• I have no idea what this acetonitrile stuff is, do you?
• His emotions were like acetonitrile, volatile and unpredictable.