exp
re
ssion
Plural
expressions
1
a specific look on someone's face, indicating what they are feeling or thinking
- Her eyes widened in surprise, an expression that conveyed her shock better than words ever could.
- A gentle smile was his constant expression, making him seem approachable to everyone he met.
- The teacher's stern expression quickly silenced the noisy classroom.
- His face held an expression of deep concentration as he worked on the complex problem.
- The child's joyful expression upon seeing the puppy was truly heartwarming.
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2
a way of communicating a feeling or idea without speaking
- A thumbs-up is a universal expression of approval or agreement.
- She gave a slight nod, an expression of her silent consent to the plan.
- His dance was an expression of freedom and creativity, captivating the audience.
- The artist’s painting was a vivid expression of his inner turmoil.
- The silence between them was an expression of the tension that neither wanted to acknowledge.
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3
the act of showing one’s ideas or feelings through words or actions
- Poetry is a beautiful form of expression, allowing one to convey deep emotions and thoughts.
- He found expression in music, where words failed him.
- Her activism was an expression of her commitment to social justice.
- The novel was an expression of the author’s personal experiences during the war.
- Laughter is often an expression of joy, but it can also mask sadness.
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4
a word or phrase, often an idiomatic one
An expression is a word or phrase that conveys a specific idea, emotion, or meaning, often used in a particular context. Expressions can be literal, where the meaning is clear and straightforward, or idiomatic, where the meaning is not obvious from the individual words. For example, the expression "kick the bucket" is an idiomatic phrase meaning to die, which may not be understood by looking at the words alone. Expressions play a crucial role in communication, as they enrich language and allow speakers to convey complex thoughts and feelings effectively.
- “Bite the bullet” is an expression that means to endure a painful experience with courage.
- The phrase “once in a blue moon” is an expression used to describe something that happens very rarely.
- “Break the ice” is a common expression for initiating conversation in a social setting.
- He used the expression “hit the hay” to announce he was going to bed.
- The idiom “spill the beans” is an expression meaning to reveal a secret.
5
the style of expressing yourself
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6
a combination of numbers, variables, operations, and grouping symbols that collectively represent a numerical value or relationship
- The algebraic expression ( 2x + 3 ) represents a linear equation when set equal to zero.
- In calculus, the expression ( rac{d}{dx} f(x) ) denotes the derivative of the function ( f(x) ).
- The quadratic formula is derived from the standard form of a quadratic expression.
- The trigonometric identity ( sin^2(x) + cos^2(x) = 1 ) is an important mathematical expression.
- Euler’s formula, ( e^{ipi} + 1 = 0 ), is often cited as a beautiful mathematical expression due to its simplicity and depth.
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7
the act of forcing something out by squeezing or pressing
8
a group of words that form a constituent of a sentence and are considered as a single unit
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9
the process by which information from a gene is used to synthesize functional gene products, such as proteins, which can influence an organism's traits
- Gene expression is regulated by various factors, including environmental signals and regulatory proteins.
- The scientist measured the expression levels of several genes involved in the inflammatory response.
- Abnormal expression of certain genes can lead to the development of cancer.
- Techniques like PCR and microarrays are used to study gene expression in different tissues.
- The expression of the gene was significantly higher in the mutated strain compared to the wild type.