plus sign
Học thuậtThân thiện
Definition
- Noun:
- A mathematical symbol (+): The "plus sign" is the symbol "+". It primarily indicates the operation of addition between two numbers or quantities.
- A symbol denoting a positive value: In front of a number, the plus sign can denote that the number is positive (e.g., +5).
- A symbol indicating inclusion or advantage: Informally, it can represent something added, beneficial, or present.
Usage Examples
- Noun:
- The equation reads "five plus sign three equals eight." (The mathematical expression is 5 + 3 = 8.)
- Remember to put a plus sign before positive integers. (Write +10, not just 10, for clarity.)
- The feature is a real plus sign for the new software. (This is an informal, metaphorical use, though "plus" is more common.)
Advanced Usage
- In computing and programming: The plus sign is used as the concatenation operator for joining text strings in many programming languages.
- In JavaScript, you can use the plus sign to join two strings.
- In grading or evaluation: A plus sign can modify a letter grade to indicate a higher level within that category (e.g., B+).
- She received an A plus sign on her essay.
Variants and Related Words
- Plus (conjunction/preposition/adjective/noun): Used to indicate addition, an extra thing, or a positive quality. The plus sign is the symbolic representation of this concept.
- The job offers a good salary, plus great benefits.
- Addition sign: A less common synonym for "plus sign."
- Positive sign: Specifically when denoting a positive quantity.
Synonyms
- Addition symbol: A direct synonym.
- Add sign: Informal synonym.
Related Phrases
- Plus-minus sign (±): A related symbol indicating both positive and negative possibilities or an approximation.
- The result is 10 ± 2, meaning it could be 8 or 12.
Idioms
- No direct idioms feature the exact term "plus sign." The related word "plus" is used in idioms like "a plus" (an advantage) or "on the plus side" (to state a positive aspect).
Noun
- a sign indicating the operation of addition