Search: crossword helper
Why: In the In Touch Weekly crossword, #6 down: "Acid
PH_NO_Answer: PHENOL! 1. any of a class of weakly acidic organic compounds; molecule contains one or more hydroxyl groups 2. a toxic white soluble crystalline acidic derivative of benzene; used in manufacturing and as a disinfectant and antiseptic; poisonous if taken internally
Source: One Across
The More You Know: According to Wikipedia: Phenol, also known as carbolic acid, is a toxic, white crystalline solid with a sweet tarry odor, commonly referred to as a "hospital smell." Maybe you know someone who has referred to phenol this way.