CAD
- 01 B2 Upper Intermediate
Stands for Computer-Aided Design. You use this software to create precise drawings for buildings, cars, or machines.
Abbreviation for Computer-Aided Design. Refers to the use of computer systems to assist in the creation, modification, or optimization of a design.
Simple“The architect used CAD to draw the plans for the new library.”
In context“Proficiency in CAD is a prerequisite for most entry-level positions in mechanical engineering and industrial design.”
UsageOften used as an uncountable noun or as a modifier before another noun like 'software' or 'operator'.
- 02 C2 Proficiency
A man who behaves badly or dishonestly, especially toward women.
A man who behaves in a dishonorable or ungentlemanly way. This sense is increasingly rare in modern speech and carries a literary or old-fashioned tone.
Simple“He proved to be a total cad when he left her without saying a word.”
In context“In the Victorian novel, the antagonist is often portrayed as a charming cad who eventually betrays the protagonist's trust.”
Teacher's tipThis sense is mostly found in older British literature; modern speakers would use 'jerk' or 'cheat' instead.
- 03 C1 Advanced
Stands for Coronary Artery Disease. It is a common heart condition where the blood vessels become narrow or blocked.
Abbreviation for Coronary Artery Disease. A condition characterized by the accumulation of plaque in the arteries that supply blood to the heart.
Simple“The doctor explained that a healthy diet can help prevent CAD.”
In context“Clinical trials have shown that early intervention is crucial for patients diagnosed with advanced CAD to prevent myocardial infarction.”
Synonyms
“Of the roughly $1.5 billion CAD worth of Canadian alcohol sold to the United States each year, about $1 billion is in the spirits sector alone.”