valon nopeus
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See also: valonnopeus
Finnish[edit]
Alternative forms[edit]
- valonnopeus (mostly sense 2, see Usage notes)
Etymology[edit]
Noun[edit]
- The speed of light in a medium.
- The speed of light in a vacuum.
Usage notes[edit]
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[edit]
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. |