1. containing an added substance, especially an impurity added to a semiconductor
Usage: technical
2. under the influence of drugs, especially performance-enhancing or illegal drugs
Usage: informal

1. past tense of dope: to give drugs to someone or something
2. past tense of dope: to add an impurity to a pure substance
Usage: technical

Examples

• The silicon wafer was doped with boron to create a semiconductor.
• The athlete tested positive and was found to be doped.
• Scientists doped the crystal with trace amounts of metal.
• The horse appeared sluggish and may have been doped.
• Engineers doped the material to improve its electrical properties.
• The cyclist was banned after being caught doped during the race.
• They doped the semiconductor with phosphorus atoms.