- An apparatus for cooling a gas to a liquid, or a liquid to a solid.
- dentistry a manual or powered instrument used for packing a plastic or unset material into a cavity of a tooth; variation in sizes and shapes allows conformation of the mass to the cavity outline.
- The simple or compound lens on a microscope that is used to supply the illumination necessary for visibility of the specimen under observation.
© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.