carbonic acid (noun) carbon dioxide: colorless odorless gas
Detalii: carbon dioxide is the gas we exhale and carbon monoxide is the gas in car exhaust
Sinonime: bear*, bellyacher, bug*, complainer, crab, crank, crosspatch, curmudgeon, faultfinder, griper, growler, grumbler, grump, kicker, malcontent, moaner, murmurer, mutterer, sorehead, sourpuss, whiner