stimulus
something that causes a response or reaction
The bright light served as a stimulus that triggered a reaction from the pupils of his eyes.
Set 281 · Study 1 / 5
Exitsomething that causes a response or reaction
The bright light served as a stimulus that triggered a reaction from the pupils of his eyes.
Set 281 of SAT Vocabulary Level 1 covers 5 words: stimulus, envelope, diagnosis, mandate, hail. Each entry below includes its definition, an example sentence, and synonyms — practice them with the interactive cards above.
something that causes a response or reaction
The bright light served as a stimulus that triggered a reaction from the pupils of his eyes.
a flat, usually rectangular or square paper container used to enclose a letter or other document
She carefully sealed the letter inside the envelope before mailing it.
the identification of the nature of an illness or problem through examination and analysis
After a thorough examination, the doctor provided a clear diagnosis of the patient's condition.
an official order or command to do something
The government issued a mandate requiring all citizens to wear masks in public places to protect public health.
small balls or lumps of ice that fall from the sky during a storm
The weather report warned of severe thunderstorms with large hail expected to fall across the region.