2) torsion balance. The Columbia Encyclopedia, Sixth Edition. 2001
...torsion balance, instrument used to measure small forces. It is based on the principle that a wire or thread resists twisting with a force that is proportional to...

3) balance of payments. The Columbia Encyclopedia, Sixth Edition. 2001
...balance of payments, balance between all payments out of a country within a given period and all payments into the country, an outgrowth of the mercantilist theory...

4) balance of trade. The Columbia Encyclopedia, Sixth Edition. 2001
...balance of trade, relation between the merchandise exports and imports of a country. The concept first became important in the 16th and 17th cent. with the growth...

5) balance of power. The Columbia Encyclopedia, Sixth Edition. 2001
...balance of power, system of international relations in which nations seek to maintain an approximate equilibrium of power among many rivals, thus preventing the preponderance...

6) Balance, The. The Columbia Encyclopedia, Sixth Edition. 2001
...Balance, The, English name for Libra, a constellation; also called The Scales....

7) equilibrium. The Columbia Encyclopedia, Sixth Edition. 2001
...equilibrium, state of balance. When a body or a system is in equilibrium, there is no net tendency to change. In mechanics, equilibrium has to do with the forces...

8) steelyard. The Columbia Encyclopedia, Sixth Edition. 2001
...steelyard, see balance....

9) symmetry. The Columbia Encyclopedia, Sixth Edition. 2001
...symmetry, generally speaking, a balance or correspondence between various parts of an object; the term symmetry is used both in the arts and in the sciences. In art...

10) weighing machine. The Columbia Encyclopedia, Sixth Edition. 2001
...weighing machine, see balance; scale....