aa1錒锕
Jyutpingaa1
Yaleā
Definition
Actinium; a radioactive metallic chemical element with atomic number 89 and symbol Ac.
neutralother
How it's used
Scientific terms for chemical elements are almost exclusively used in academic or technical contexts in Hong Kong. While the character exists, most people would simply use the English name or the symbol Ac when discussing chemistry in daily life. It is not a word you will encounter in casual conversation.
Examples
Actinium is a very rare metallic element.
Related words
Common phrases
radioactive actinium
Grammar color guide
Noun
Verb
Adjective
Adverb
Pronoun
Classifier
Particle
Connector
Grammar guides
- NegationHow to say no, not, didn't, and don't in Cantonese. The four main negation words and when to use each one.
- Numbers and moneyCounting, talking about money, and asking how much things cost. Includes the two words for two and the everyday words for dollars and cents.
- Aspect markersCantonese has no tenses, but it does have aspect markers. Learn how zo2, gwo3, gan2, and hai2 dou6 show completion, experience, and ongoing action.
