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valon nopeus

From Wiktionary, the free dictionary
See also: valonnopeus

Finnish

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Alternative forms

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Etymology

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valon nopeus

Noun

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valon nopeus

  1. The speed of light in a medium.
  2. The speed of light in a vacuum.

Usage notes

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Formerly valon nopeus was always written as two separate words. It is becoming customary to write the two words together (valonnopeus), when one refers to the speed of light in a vacuum (which is a universal constant, marked with c and equivalent to 299,792,458 m/s), and separately, when one refers to the actual light speed in a given medium (v < c). The usage is rather confused and either of the two forms may refer to either of the meanings.

Declension

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Inflection of valon nopeus (Kotus type 40*F/kalleus, t-d gradation)
nominative valon nopeus valon nopeudet
genitive valon nopeuden valon nopeuksien
partitive valon nopeutta valon nopeuksia
illative valon nopeuteen valon nopeuksiin
singular plural
nominative valon nopeus valon nopeudet
accusative nom. valon nopeus valon nopeudet
gen. valon nopeuden
genitive valon nopeuden valon nopeuksien
partitive valon nopeutta valon nopeuksia
inessive valon nopeudessa valon nopeuksissa
elative valon nopeudesta valon nopeuksista
illative valon nopeuteen valon nopeuksiin
adessive valon nopeudella valon nopeuksilla
ablative valon nopeudelta valon nopeuksilta
allative valon nopeudelle valon nopeuksille
essive valon nopeutena valon nopeuksina
translative valon nopeudeksi valon nopeuksiksi
abessive valon nopeudetta valon nopeuksitta
instructive valon nopeuksin
comitative See the possessive forms below.
Possessive forms of valon nopeus (Kotus type 40*F/kalleus, t-d gradation)