Intended for or understood by only a small group, especially one with specialized knowledge or interests: an esoteric philosophical doctrine. See Synonyms at mysterious. b. Relating to or being a small group with specialized knowledge or interests: an esoteric circle.
Rubbing alcohol is neither an acid nor a base. Acids have pH values less than 7 and bases have pH values that are greater than 7. Rubbing alcohol has a pH value of 7, so it is neutral. Rubbing alcohol is also called isopropyl alcohol.
All rubbing alcohols are unsafe for human consumption: isopropyl rubbing alcohols do not contain the ethyl alcohol of alcoholic beverages; ethyl rubbing alcohols are based on denatured alcohol, which is a combination of ethyl alcohol and one or more bitter poisons that make the substance toxic.