polonium

«polonium» in Mova's school dictionary: a rare, extremely radioactive and poisonous chemical… — its meaning for a pupil, its sense in the lessons and examples.

part of speech

noun (polonium — uncountable; symbol Po)

meaning for a pupil

Polonium is a rare, extremely radioactive and poisonous chemical element, number 84, symbol Po, discovered by Marie and Pierre Curie. tree →

sense in the lessons

In science lessons on the periodic table and radioactivity, polonium is famous because Marie Curie discovered it and named it after her home country, Poland. In the news, it has been used in at least one notorious poisoning case. Safety: radioactive elements are handled only by experts with special equipment. Common phrases: «polonium-210», «radioactive polonium», «discovered polonium».

examples

• Marie Curie discovered polonium more than a hundred years ago. tree →
• Polonium was named after Poland. tree →
• Polonium is highly radioactive. tree →
• The symbol for polonium is Po. tree →
• Polonium is very rare in nature. tree →
• Scientists handle polonium with great care. tree →

note

Uncountable. Say po-LOW-nee-um. Symbol Po (capital P, small o). Do not confuse with plutonium (Pu), another radioactive element.

Trees and pragmatics

Every meaning and example of «polonium» parsed by Mova, each sentence with its dependency tree and frames.