alentaa kolikoiden arvometallipitoisuutta
turmella
huonontaa
huonontaa, heikentää
To lower in character, quality, or value; to degrade.
{{quote-text|en|date=May 9 1961|author=Newton N. Minow|title=Television and the Public Interest
To lower in position or rank.''Oxford English Dictionary'', 2nd ed., 1989.
To lower the value of (a currency) by reducing the amount of valuable metal in the coins.