(mathematics) Synonym of pentacontagon: A 50-sided polygon.

(physics) A minor stable isotope of titanium, ⁵⁰₂₂Ti, having twenty-two protons and twenty-eight neutrons; it amounts to about 5% of the element in nature

Alternative form of 50s

plural of 50-gon

(European politics) Article 50 of the Treaty of Lisbon which holds the EU's exit clause, allowing and setting out rules for countries leaving the European Union.

(US, derogatory) Cheap.

(derogatory) Synonym of wumao: A member of the 50 cent army.

plural of 50 cent

Alternative form of 50 cent army

Internet users who are paid by the authorities of the People's Republic of China to spread propaganda and disinformation on their behalf.