名詞 barometer:

1. an instrument that measures atmospheric pressure

1. Such instrument as thermometer and barometer can be found in any physics laboratory.
   象溫度計(jì)和氣壓計(jì)這樣的儀器在任何物理實(shí)驗(yàn)室中都可以找到。
2. Italian mathematician and physicist who invented the mercury barometer.
   托里切利，伊凡吉利斯坦1608－1647意大利數(shù)學(xué)家和物理學(xué)家，他發(fā)明了水銀溫度計(jì)
3. A recording barometer.
   自動(dòng)記錄的氣壓計(jì)
4. The barometer began to fall.
   氣壓計(jì)的讀數(shù)開始下降。

ba.rom.e.ter

n.（名詞）
Abbr. bar.An instrument for measuring atmospheric pressure, used especially in weather forecasting.
縮寫 bar.氣壓表，氣壓計(jì)：測量大氣壓力的儀器，尤用于天氣預(yù)報(bào)
Something that registers or responds to fluctuations; an indicator:
晴雨表，標(biāo)記：用來記錄或反映波動(dòng)起伏的東西；指示物：
例句：
Opinion polls serve as a barometer of the public mood.
民意測驗(yàn)是大眾情緒的晴雨表

【引伸】
bar.omet.ric
bar.omet.rically
adv.（副詞）
barom.etry
n.（名詞）