How to Say "armament" in Spanish
The Spanish word for “armament” is “armamento” — B2 level.

Examples
El ejército mostró su nuevo armamento durante el desfile.
The army showed its new weaponry during the parade.
Muchos países están reduciendo su armamento nuclear.
Many countries are reducing their nuclear armament.
La inversión en armamento ha crecido este año.
Investment in arms has grown this year.
Collective Noun
This word is a 'group word.' Even though it refers to many weapons, it is usually used in the singular form to describe the whole set.
Ends in -mento
Words ending in '-mento' in Spanish are almost always masculine, so you will always use 'el' or 'un' with it.
Don't use it for a single item
Mistake: “El policía sacó su armamento.”
Correction: El policía sacó su arma. Use 'arma' for one pistol or knife; use 'armamento' for a collection or system of weapons.
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