TITANIC a. 2 definitions
Of or pertaining to titanium; derived from, or containing, titanium; specifically, designating those compounds of titanium in which it has a higher valence as contrasted with the titanous compounds. Titanic acid (Chem.), a white amorphous powder, Ti.(OH)4, obtained by decomposing certain titanates; -- called also norma…
TONIC a. 6 definitions
Of or relating to tones or sounds; specifically (Phon.), applied to, or distingshing, a speech sound made with tone unmixed and undimmed by obstruction, such sounds, namely, the vowels and diphthongs, being so called by Dr. James Rush (1833) " from their forming the purest and most plastic material of intonation."…