Your Prometric ID is a unique number assigned to you that can be located on your: 1  Application Status Report emailed to you after your application is received.  Authorization to Test letter emailed or mailed to you after your test is scheduled.
1. menthol-a crystalline compound that has the cool and minty taste and odor that occurs naturally in peppermint oil; used as a flavoring and in medicine to relieve itching, pain, and nasal congestion. menthol-a lotion containing menthol which gives it the smell of mint. mentholated salve-a salve containing menthol.
Menthone is a constituent of the essential oils of pennyroyal, peppermint, Mentha arvensis, Pelargonium geraniums, and others. In most essential oils, it is a minor compound. This is the cause for the fact that it was first synthesized by oxidation of menthol in 1881 before it was found in essential oils in 1891.