ljuskägla

Swedish

Etymology

ljus (“light”) +‎ kägla (“cone”)

Noun

ljuskägla c

  1. a cone-shaped light; a light cone, (as an inexact translation) a light beam
    lyktstolpens / ficklampans / strålkastarnas ljuskägla
    the light cone / light beam from the lamp post / flashlight / headlights

Usage notes

Ljuskon appears to be more common for the special relativity concept.

Declension
Declension of ljuskägla 
Singular Plural
Indefinite Definite Indefinite Definite
Nominative ljuskägla ljuskäglan ljuskäglor ljuskäglorna
Genitive ljuskäglas ljuskäglans ljuskäglors ljuskäglornas

References
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