meridian

• Relatif au point culminant ou au sommet du développement, du succès ou de la puissance ; utilisé aussi en géographie et en astronomie pour décrire un grand cercle sur la sphère terrestre ou céleste.

Relating to the highest point or peak of development, success, or power; also used in geography and astronomy to describe a great circle on the earth's or celestial sphere.

1. Relating to noonC1formal

   Of or occurring at midday or noon.

   relatif à midi

   • The meridian sun cast short shadows on the ground.
   • They took a break during the meridian heat.
   • The meridian hour is often the warmest part of the day.

   Synonymesmiddaynoonnoonday

   Antonymesmidnight

2. At the peak of developmentC2formal

   Being at the highest or most advanced stage of development, vigor, or excellence.

   au plus haut point de développement

   • The artist was in his meridian years, producing his finest work.
   • The civilization reached its meridian period of cultural achievement.
   • Her meridian career was marked by groundbreaking discoveries.

   Synonymesclimacticpeakprimesupremezenithal

   Antonymesincipientnascentprimitiverudimentaryundevelopedwaning

• Nom désignant soit le point ou le stade le plus élevé du développement, soit un grand cercle imaginaire à la surface de la Terre passant d'un pôle à l'autre.

A noun referring either to the highest point or stage of development, or to an imaginary great circle on Earth's surface running from pole to pole.

1. Peak or highest pointC1formal

   The highest level or degree attainable; the zenith or climax of development.

   point culminant

   • The artist reached the meridian of his career with that masterpiece.
   • At the meridian of her power, she ruled with unmatched influence.
   • The empire was at its meridian when it expanded across three continents.

   Synonymesacmeapexapogeeclimaxculminationheightpeakpinnaclesummitzenith

   Antonymesbottomnadirtrough

2. Geographic lineB2formal

   An imaginary great circle on the Earth's surface passing through the North and South Poles, used for measuring longitude.

   Méridien géographique

   • The Prime Meridian passes through Greenwich, England.
   • Each meridian is a line of constant longitude.
   • The ship's captain calculated their position using the meridian.

   Synonymesline of longitude