Definition, synonyms and related words
plural of diamond
"She was confused when her opponent played a diamond instead of following suit with another heart."
One of the four suits of playing cards, marked with the symbol ♦.
In plain English: Diamonds are hard, shiny rocks made of carbon that people often cut into gems for jewelry.
"She wore a necklace with sparkling diamonds to the party."
Usage: Diamonds are primarily known as precious gemstones formed under high pressure and heat. While they also refer to a suit in playing cards, this usage is specific to games and should not be confused with the real stones.
Third-person singular simple present indicative form of diamond
"He diamonds his opponent's defense with a series of sharp, calculated passes that leave the goal undefended."
In plain English: To diamond something means to shape it into a flat, four-sided figure with equal sides and angles.
"The jeweler will diamond the rough stone into perfect facets."
Usage: Do not use "diamonds" as a verb; it is strictly a noun referring to precious gemstones or shapes with four equal sides. When you need an action related to cutting or polishing stones, use verbs like "cut," "polish," or "set" instead.
Derived from the Greek adamas, meaning unconquerable, this term originally described stones that could not be scratched by other materials. It entered English via Old French to denote these hardest known natural substances.