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Ze- Zeeman Effect
- The splitting of spectral lines when an external magnetic field is applied.
- Zener Diode
- A diode that has been specially designed to break down at a particular voltage.
- Zener Voltage
- reverse voltage at which breakdown occurs in a zener diode.
- Zenith
- Point in the Sky that is directly overhead.
- Zenith Attraction
- The effect of the earth′s gravity on a meteoric body.
- Zenith Telescope
- Instrument for observing stars near the zenith.
- Zenithal
- Of or pertaining to the zenith.
- Zenographic
- Referring to positions on Jupiter.
- Zepto
- Prefix representing a multiplication of 10-21
- Zero
- In 876BC a symbol to represent zero was first used in India.
- Zero Angle
- An angle whose measure is 0.
- Zero Dimensional
- Having no dimension; a point.
- Zero g
- The condition when no force (such as weight) is sensed.
- Zero Kelvin
- At this temperature atoms have no energy.
- Zero Order Reaction
- A reaction with a reaction rate that does not change when reactant concentrations change.
- Zero Point Energy
- A minimum possible energy for an atom or molecule predicted by quantum mechanics.
- Zero-age Main Sequence
- The position on the main sequence of a Hertzsprung-Russell diagram.
- Zero-Lift Chord
- A chord taken through the trailing edge of an airfoil in the direction of the relative wind when the airfoil is at a zero-lift angle of attack.
- Zero-Offset Steering
- A steering system whose geometry has a scrub radius of zero.
- Zero-Point Pressure
- The pressure contributed by degenerate electrons, which do not come to rest even at absolute zero.
- Zeroth Law of Thermodynamics
- If two bodies are each in thermal equilibrium with a third body, then all three bodies are in thermal equilibrium with each other.
- Zeta
- A letter of the Greek alphabet.
- Zeta Machine
- An experimental thermonuclear device which generates a plasma inside a torus and employs the pinch effect for heating and compression.
- Zeta Potential
- Electric potential across all phase boundaries between solids and liquids.
- Zetta
- Prefix representing a multiplication of 1021
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