## A Quick reference

### A Dictionary of Weights, Measures, and Units

*Metric* As a lower-case prefix a-, see atto-.

length. *Metric* Correctly Å, see angstrom.

area. As a, see are; see ...

## a.u. Quick reference

### A Dictionary of Weights, Measures, and Units

sub-atomic physics. See atomic unit.

## aanom Quick reference

### A Dictionary of Weights, Measures, and Units

[annum]

time. Anomalistic year; see anomalistic and year.

## ab- Quick reference

### A Dictionary of Physics (8 ed.)

A prefix attached to the name of a practical electrical unit to provide a name for a unit in the electromagnetic system of units (...

## abampere Quick reference

### A Dictionary of Weights, Measures, and Units

## abcoulomb Quick reference

### A Dictionary of Weights, Measures, and Units

electric charge. Symbol abC. *Metric-c.g.s.* The absolute coulomb of the e.m.u. system, for a steady current identically s⋅abA. 1 abC = 10 C....

## abdaraf Quick reference

### A Dictionary of Weights, Measures, and Units

electric elastance. Symbol abD. *Metric-c.g.s.* The absolute daraf of the e.m.u. system, for a steady current identically abV/abC, and identically reciprocal abfarard. 1 abD = 1 abF...

## aberration Quick reference

### A Dictionary of Physics (8 ed.)

## abfarad Quick reference

### A Dictionary of Weights, Measures, and Units

electric capacitance. Symbol abF. *Metric-c.g.s.* The absolute farad of the e.m.u. system, for a steady current identically abC/abV, and identically reciprocal abdaraf. 1 abF = 1 GF....

## abhenry Quick reference

### A Dictionary of Weights, Measures, and Units

electromagnetic inductance. Symbol abH. *Metric-c.g.s.* The absolute henry of the e.m.u. system, for a steady current identically abV/abA/second. 1 abH = 1 nH....

## abmho Quick reference

### A Dictionary of Weights, Measures, and Units

electric conductance. *Metric-c.g.s.* The absolute mho of the e.m.u. system, for a steady current identically abA/abV, and identically reciprocal abΩ. 1 abmho = 1 GS....

## abohm Quick reference

### A Dictionary of Weights, Measures, and Units

electric resistance. Symbol abΩ. *Metric-c.g.s.* The absolute ohm of the e.m.u. system, for a steady current identically abV/abA, and identically reciprocal abmho. 1 abΩ = 1 nΩ....

## absolute Quick reference

### A Dictionary of Weights, Measures, and Units

Within metrology generally, the qualifier ‘absolute’ indicates using mass rather than weight, i.e. force, as a basic dimension; hence an absolute system contrasts with a ...

## absolute Quick reference

### A Dictionary of Physics (8 ed.)

## absolute centesimal thermodynamic scale Quick reference

### A Dictionary of Weights, Measures, and Units

temperature. See kelvin scale.

## absolute magnitude Quick reference

### A Dictionary of Weights, Measures, and Units

astronomy. Symbol M. See stellar magnitude.

## absolute pitch Quick reference

### A Dictionary of Physics (8 ed.)

The ability of a person to identify and reproduce a note without reference to a tuned musical instrument.

## absolute practical system Quick reference

### A Dictionary of Weights, Measures, and Units

electromagnetics. *Metric* See absolute system and practical units.