F

/ef/
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Thân thiện
Definition
  1. Noun:
    • The sixth letter of the modern English alphabet: "F" is a consonant, the sixth letter in the English alphabet.
    • A failing grade: In academic grading systems, particularly in the United States, "F" represents a failing grade.
    • A musical note: In the fixed-do solfège system, "F" is the note "Fa".
    • A unit of electrical capacitance: In physics, the farad (symbol: F) is the SI unit of capacitance.
    • A chemical element: The symbol for the element fluorine.
    • A temperature scale: A degree on the Fahrenheit temperature scale.
Usage Examples
  • Noun (Letter):
    • The word "fish" starts with the letter F.
    • He wrote a capital F at the beginning of his name.
  • Noun (Grade):
    • She was disappointed to receive an F on the exam.
    • An F indicates that the student did not meet the minimum requirements.
  • Noun (Music):
    • The key signature for this piece is F major.
    • Please play an F on your instrument.
  • Noun (Physics):
    • This capacitor has a value of 10 microfarads (10 µF).
  • Noun (Chemistry):
    • F is a highly reactive halogen.
  • Noun (Temperature):
    • Water freezes at 32°F.
Advanced Usage
  • "F-word": A euphemism for the profane English word "fuck".
    • He accidentally said the F-word on live television.
  • "Press F to pay respects": An internet meme originating from a video game prompt, used humorously to express condolences.
    • When the character died, the game instructed players to "Press F to pay respects".
Variants and Related Words
  • Fahrenheit (adj, n): Relating to the temperature scale where water freezes at 32° and boils at 212° under standard conditions.
    • The oven should be preheated to 350 degrees Fahrenheit.
  • Farad (n): The derived SI unit of electrical capacitance.
  • Fluorine (n): The chemical element with atomic number 9.
Synonyms
  • Fail (n): As a grade, synonymous with an F.
    • He got a fail in chemistry.
  • Flunk (n, v, informal): To fail a test or course.
    • He flunked the class.
Related Phrases
  • F-stop (n): In photography, a setting on a camera lens that controls the aperture size.
    • Use a smaller F-stop for a shallower depth of field.
  • F-number (n): Another term for the f-stop ratio.
  • F-hole (n): An f-shaped sound hole, as on a violin or cello.
Idioms
  • "To get an F": To receive a failing grade.
    • If you don't study, you will get an F.
  • "F in the chat": An internet slang phrase derived from the "Press F" meme, used to express sympathy or mark a failure.
    • Their team lost the final match. F in the chat.
Noun
  1. the 6th letter of the Roman alphabet
  2. the capacitance of a capacitor that has an equal and opposite charge of 1 coulomb on each plate and a voltage difference of 1 volt between the plates
  3. a nonmetallic univalent element belonging to the halogens; usually a yellow irritating toxic flammable gas; a powerful oxidizing agent; recovered from fluorite or cryolite or fluorapatite
  4. a degree on the Fahrenheit scale of temperature

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