Merriam-Webster's Dictionary and Thesaurus - Merriam-Webster [1066]
pre·ces·sion noun : a slow gyration of the rotation axis of a spinning body (as the earth)
— pre·cess verb
— pre·ces·sion·al adjective
pre·cinct noun 1 : an administrative subdivision (as of a city) : DISTRICT 2 : an enclosure bounded by the limits of a building or place — often used in pl. 3 plural : ENVIRONS pre·ci·os·i·ty noun, plural -ties : fastidious refinement pre·cious adjective 1 : of great value <~ jewels> 2 : greatly cherished : DEAR <~ memories> 3 : AFFECTED <~ language> Synonyms [1] costly, dear, expensive, high, valuable—more at COSTLY [2] beloved, darling, dear, favorite, loved, pet, special, sweet [2] adorable, darling, dear, endearing, lovable, sweet, winning—more at LOVABLE prec·i·pice noun : a steep cliff Synonyms bluff, cliff, crag, escarpment, palisade, scarp—more at CLIFF pre·cip·i·tan·cy noun : undue hastiness or suddenness 1precipitate verb -tat·ed; -tat·ing [ORIGIN: L praecipitare, fr. praecipit-, praeceps headlong, fr. prae in front of + caput head] 1 : to throw violently 2 : to throw down 3 : to cause to happen quickly or abruptly <~ a quarrel> 4 : to cause to separate from solution or suspension 5 : to fall as rain, snow, or hail 2precipitate noun : the solid matter that separates from a solution or suspension Synonyms deposit, dregs, grounds, sediment—more at DEPOSIT 3precipitate adjective 1 : showing extreme or unwise haste : RASH 2 : falling with steep descent; also : PRECIPITOUS — pre·cip·i·tate·ness noun Synonyms cursory, hasty, headlong, pell-mell, precipitous, rash—more at HASTY pre·cip·i·tate·ly adverb : in a precipitate manner Synonyms cursorily, hastily, headlong, hurriedly, pell-mell, rashly—more at HASTILY pre·cip·i·ta·tion noun 1 : rash haste 2 : the process of precipitating or forming a precipitate 3 : water that falls to earth esp. as rain or snow; also : the quantity of this water Synonyms haste, hurry, hustle, rush—more at HURRY pre·cip·i·tous adjective 1 : showing extreme or unwise haste : PRECIPITATE