Am·mann 
(ämən), Othmar Hermann 1879-1965.
(ämən), Othmar Hermann 1879-1965. Swiss-born American civil engineer who designed several major bridges in New York City, including the George Washington Bridge (1931).
- electrometer
- electromotive
- electromotive force
- electromyogram
- electromyograph
- electromyographic
- electromyographically
- electromyography
- electron
- electron amplifier
- electron carrier
- electronegative
- electron gun
- electron hole
- electronic
- electronica
- electronically
- electronic fetal monitor
- electronic mail
- electronics
- electron lens
- electron micrograph
- electron microscope
- electron multiplier
- electron neutrino