…a person or thing that reduces a shock or that forms a barrier between incompatible or antagonistic people or things…
…an elderly man who is considered to be foolishly old-fashioned, unworldly, or incompetent…
…a small neutral country situated between two larger hostile countries and serving to prevent the outbreak of regional conflict…
…a reserve of a commodity that can be used to offset price fluctuations…
…a flammable compound which forms a corrosive solution in water and is used as a buffer and emulsifying agent…
…a solution which resists changes in pH when acid or alkali is added to it…
