Pipettes and it's types. Pipettes. These are used to transfer a known volume of liquid from one container to another. They are designed either to contain (TC) a specific volume of liquid or to deliver (TD) a specified volume.
1 Frock (especially in the phrase short frock) is also a child's dress or light overdress. 2  A frock is a dense knitted overgarment worn by sailors and fishermen, as guernsey frock, jersey frock (now usually simply guernsey and jersey). 3  The name oil frock has been used for a type of sailor's oilskin.
buttock. 1  Usually, buttocks. (in humans) either of the two fleshy protuberances forming the lower and back part of the trunk. 2  Sometimes, buttocks. Nautical. the aftermost portion of a hull above the water line and in front of the rudder, merging with the run below the water line.