名詞 barometer:

1. an instrument that measures atmospheric pressure

1. Such instrument as thermometer and barometer can be found in any physics laboratory.
   象溫度計和氣壓計這樣的儀器在任何物理實驗室中都可以找到。
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
3. A recording barometer.
   自動記錄的氣壓計
4. The barometer began to fall.
   氣壓計的讀數(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：測量大氣壓力的儀器，尤用于天氣預(yù)報
Something that registers or responds to fluctuations; an indicator:
晴雨表，標(biāo)記：用來記錄或反映波動起伏的東西；指示物：
例句：
Opinion polls serve as a barometer of the public mood.
民意測驗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）