alt

nom propre

A noun referring to the angular distance of a celestial object above the horizon.

• 🇫🇷Substantif désignant la distance angulaire d'un objet céleste au-dessus de l'horizon.

1. Angular distance above the horizon C1 formal

   The angular distance of a celestial object above the horizon, measured in degrees.

   • The alt of the star was measured at 45 degrees.
   • Navigators use alt to determine the position of celestial bodies.
   • The alt of the sun changes throughout the day.

   🇫🇷Hauteur angulaire au-dessus de l'horizon

   Synonymes: altitudeelevation

• alts plural form
• alts' possessive plural form
• alt's possessive singular form