forestall, exacerbate, trigger, hasten, presage, provoke, instigate, aggravate, portend, ensue, forebode, foment, catalyze, destabilize, avert, depress, occur, cause, prompt, foreshadow, weaken, induce, complicate, imperil, consequent, engender, undermine, stave off, roil, hinder, preempt, beget, herald, derail, orchestrate, ameliorate, incite, precursor, embitter, worsen, foretell, vitiate, precede, impends, obviate, inhibit, ignite, legitimize, protract, happen, catalysed, spur, embolden, disintegrate, implode, precipitous, engulf, backfire, pave, prolong, spawn, initiate, escalate, attenuate, precipitant, affect, dissipate, endanger, impede, constrain, cauterise, effecting, inevitable, necessitate, impair, ossify, dampen, cataclysmic, scuttle, prevent, facilitate, accelerate, consequence, deepen, avoid, prelude, foresee, hamper, crystalise, disrupt, threaten, scupper, jeopardize, paralyze, augur, prefigured, derange, heighten, embroil, befall, stoke, wreak, precipitates, pigment, ppt, coagulum, color, sublimate, powder, colour, glaze, flecks, froth, residue, discoloration, incrustation, mottling, deposit, fuzz, magenta, specks, streaks, impending, imminent, sudden, drastic, incipient, speedy, colloidal, hasty, precipitated, rash, undissolved, unpredicted, eventual, expedient, hydrated, overt, sulfate, abrupt

hail, rain, rain down, sleet, sludge, snow, spat

fluorescein, fluoresceine, fluorescent dye, hail, precipitant, precipitation, rain, rain down, resorcinolphthalein, settle, sleet, sludge, subside, supernatant

bring about, cast, change state, come down, condense, descend, drop, effect, effectuate, fall, go down, hurl, hurtle, set up, solid, turn

come down, fall, hasty, hurried, overhasty, precipitant, separate from solution