At (Noun)
Meaning 1
A highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium.
Classification
Nouns denoting substances.
Examples
- The sample was analyzed to determine the amount of astatine present.
- Astatine is the heaviest of the halogen series of elements.
- Astatine has several radioactive isotopes with very short half-lives.
- Astatine is produced naturally in small amounts as a decay product of uranium and thorium.
- The production of astatine in the lab requires careful handling due to its highly unstable nature.
Synonyms
Hypernyms
Meaning 2
100 at equal 1 kip in Laos.
Classification
Nouns denoting quantities and units of measure.
Examples
- The exchange rate is 100 at equals 1 kip in Laos.
- In Laos, 100 at is equivalent to 1 kip.
- The local currency in Laos is the kip, with 100 at making up one unit.
- The at is a subunit of the Lao kip, with 100 at equaling one kip.
- In Laos, prices are often listed in at, with 100 at being the equivalent of one kip.