Isopropyl alcohol. Isopropyl alcohol (IUPAC name propan-2-ol), also called isopropanol or dimethyl carbinol, is a compound with the chemical formula C3H8O or C3H7OH or CH3CHOHCH3 (sometimes represented as i-PrOH). It is a colorless, flammable chemical compound with a strong odor.
adjective. verb. The definition of frank is a person who is honest and direct. An example of frank is someone telling a potential employee during the interview that they will get the job.Frank is defined as to send mail without paying for postage.erb. The definition of frank is a person who is honest and direct. An example of frank is someone telling a potential employee during the interview that they will get the job.
A frank is a marking on the face of an envelope indicating that postage has been paid or that the letter is to be carried free. Early presidents and postmasters often had the right to free franking. More recently, individuals in the military have sometimes received free franking for mail during armed conflicts.