In a sentence
Three example sentences with caesium, each labelled with its topic.
A speck of caesium dropped into water reacts so fiercely that most teachers only show a recording.
Science
Every second is now defined by counting oscillations inside a caesium atom, which is why satellite clocks agree.
Technology
Physicists redefined the second in nineteen sixty seven around caesium, retiring a standard that had depended on the earth's wobble.
History
Study caesium until you keep it
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Found in these word lists
- Science Vocabulary ListAuthoritative
Each source is a published word list that contains caesium. No exam board publishes an official GRE, GMAT or SAT list; GMAT words come from GRE lists and the Academic Word List.