Open, not obstructed: the specific unobstructed route in which a removable dental prosthesis (or the precementation stage of a fixed dental prosthesis) may be removed.
Spreading, held at 90° from the subtending axis; sometimes used for ‘shiny’ but that is for leather, not for botany!
Sticking out± at right-angles.
A document that confers a special and exclusive right to manufacture a product.
Open, exposed.
In the medical context, a term meaning open for example, patent ductus arteriosus. The term is also used for proprietary medicines which, because of the research and cost involved in producing many of them, are protected by a patent. This means that without an agreement, no company or organization other than the patent-holder can produce the substance.
A word denoting “clear” or “unblocked” (as seen in patent ductus arteriosus). The phrase “patent medicine” is occasionally utilized to describe proprietary drugs that are safeguarded by a patent.