noun🔗ShareThe point of the celestial sphere, directly opposite the zenith; inferior pole of the horizon; point of the celestial sphere directly under the place of observation."The astronomer noted that the constellation was at its nadir tonight, completely hidden below the horizon. "astronomyspacepositiondirectionscienceChat with AIVocabulary GamePractice Reading
noun🔗ShareThe lowest point; time of greatest depression."After failing the exam, John's confidence reached its nadir. "conditionsituationtimenegativeChat with AIVocabulary GamePractice Reading
noun🔗ShareThe axis of a projected conical shadow; the direction of the force of gravity at a location; down."The nadir of the sun is the axis of the shadow projected by the Earth."astronomyphysicsdirectionpositionChat with AIVocabulary GamePractice Reading
noun🔗ShareAn empty box added beneath a full one in a beehive to give the colony more room to expand or store honey."The beekeeper added a nadir to the hive, giving the bees more space to store their honey harvest. "agricultureanimalChat with AIVocabulary GamePractice Reading
verb🔗ShareTo extend (a beehive) by adding an empty box at the base."The beekeeper decided to nadir his strongest hive, adding a new box at the bottom so the bees would have more room to expand their honey production. "agricultureanimalinsectChat with AIVocabulary GamePractice Reading