Summary: MLA (Modern Language Association) style is most commonly used to write papers and cite sources within the liberal arts and humanities.
Princeton's WordNet(0.00 / 0 votes)Rate this definition: precipitously, sharply(adverb) very suddenly and to a great degree. conditions that precipitously increase the birthrate; prices rose sharply. precipitously(adverb) abruptly; in a precipitous manner. the mountains rose precipitously from the shore.
The word 'aqueous' could be used as well as 'precipitate.' Sometimes aqueous is used for the reactants, but assumed for the products. Sometimes aqueous is never used and the question writer simply assumes you know everything is happening in aqueous solution.