n. 25B6; noun
a spark of light : FLASH, glint, twinkle, flicker, flare, pinprick.
not a spark of truth in the story : PARTICLE, iota, jot, whit, glimmer, atom, bit, trace, vestige, ounce, shred, crumb, grain, mite, hint, touch, suggestion, whisper, scintilla; informal smidgen, tad.
25B6; verb the trial sparked a furious row : CAUSE, give rise to, lead to, occasion, bring about, start, initiate, precipitate, prompt, trigger (off), provoke, stimulate, stir up.