2) electric moment. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...The dipole moment of an electric dipole....

3) nonpolar. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...1. Not characterized by a dipole: a nonpolar covalent bond. 2. Not ionizing when dissolved in water....

4) dipole. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...Physics A pair of electric charges or magnetic poles, of equal magnitude but of opposite sign or polarity, separated by a small distance. 2. Chemistry A molecule...

5) Debye, Peter Joseph Wilhelm. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...Dutch-born American physicist. He won a 1936 Nobel Prize for his investigations on dipole movements and on diffraction of x-rays and electrons in gases....

6) phased array. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...An arrangement of dipoles on a radar antenna, in which the phase of each dipole is controlled by a computer so that the beam can scan very rapidly....

7) van der Waals force. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...A weak attractive force between atoms or nonpolar molecules caused by a temporary change in dipole moment arising from a brief shift of orbital electrons to one side...

8) polar. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...(Josh Rubins). 6. Central or pivotal. 7a. Chemistry Relating to or characterized by a dipole: a polar molecule. b. Ionizing when dissolved or fused: polar bonds or...