When necessary, always create a JPG or PNG for use on the web from this master vector file. Just be sure to save the new raster file in the exact dimensions needed. *A PDF is generally a vector file. However, depending how a PDF is originally created, it can be either a vector or a raster file.
tetracaine - a crystalline compound used in the form of a hydrochloride as a local anesthetic local anaesthetic, local anesthetic, topical anaesthetic, topical anesthetic, local - anesthetic that numbs a particular area of the body
tetrad. n. 1. (Mathematics) a group or series of four. 2. (Mathematics) the number four. 3. (Biology) botany a group of four cells formed by meiosis from one diploid cell.