词根词缀：sono-, son-, sona-, -sonous, -sonic, -sonically

【来源及含义】Latin: sound, that which is heard; noise

【同源单词】assonance, assonant, auscultatory sounds, biosonar, consonance, consonant

词根词缀：ultra-, ult-

【来源及含义】Latin: beyond, on the other side; excessive, to an extreme degree

【相关词根词缀】 Related "above, over, beyond the normal, excessive" word units: epi-; hyper-; super-, supra-. Inter-related cross references, directly or indirectly, involving word units meaning "more, plentiful, fullness, excessive, over flowing": copi-; exuber-; hyper-; multi-; opulen-; ple-; pleio-; plethor-; poly-; super-; total-; undu-.

【同源单词】A primo ad ultimum, Ad finem ultimum, antepenultimate, bioultrasonics, cryoultramicrotomy, exultingly