great coolness and composure under strain | a structural member used to stiffen a framework |
a cgs unit of dynamic viscosity equal to one dyne-second per square centimeter; the viscosity of a fluid in which a force of one dyne per square centimeter maintains a velocity of 1 centimeter per second | a carpenter's tool having a crank handle for turning and a socket to hold a bit for boring |
a state of being balanced in a stable equilibrium | an appliance that corrects dental irregularities |
| a support that steadies or strengthens something else |
| elastic straps that hold trousers up |
| a rope on a square-rigged ship that is used to swing a yard about and secure it |
| either of two punctuation marks ({ or }) used to enclose textual material |
| a set of two similar things considered as a unit |
| two items of the same kind |