Distance in the direction of
propagation of a periodic wave between two successive points where at a given time the phase
is the same.
Source:
ISO 31-5: 1992
(Quantities and Units - Part 5: Electricity and Magnetism.)
PAC, 1996, 68, 957
(Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations
1996))
on page 998
See also:
PAC, 1996, 68, 2223
(Glossary of terms used in photochemistry (IUPAC Recommendations 1996))
on page 2283
PAC, 1985, 57, 105
(Names, symbols, definitions and units of quantities in optical spectroscopy (Recommendations
1984))
on page 109
