F

Pronunciation (US):

• F (noun)
  The noun F has 4 senses:

1. a degree on the Fahrenheit scale of temperature
2. 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
3. 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
4. the 6th letter of the Roman alphabet

  Familiarity information: F used as a noun is uncommon.

• F (noun)

Meaning:

A degree on the Fahrenheit scale of temperature

Classified under:

Nouns denoting quantities and units of measure

Synonyms:

degree Fahrenheit; F

Hypernyms ("F" is a kind of...):

degree (a unit of temperature on a specified scale)

Meaning:

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

Classified under:

Nouns denoting substances

Synonyms:

atomic number 9; fluorine; F

Hypernyms ("F" is a kind of...):

chemical element; element (any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter)

gas (a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely)

halogen (any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions)

Holonyms ("F" is a substance of...):

cryolite; Greenland spar (a white mineral consisting of fluorides of aluminum and sodium; a source of fluorine)

fluorapatite (a form of apatite in which fluorine predominates over chlorine)

fluor; fluorite; fluorspar (a soft mineral (calcium fluoride) that is fluorescent in ultraviolet light; chief source of fluorine)

Meaning:

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

Classified under:

Nouns denoting quantities and units of measure

Synonyms:

farad; F

Hypernyms ("F" is a kind of...):

capacitance unit (a measure of the capacity of a circuit component to store charge)

Meronyms (parts of "F"):

millifarad (a unit of capacitance equal to one thousandth of a farad)

Holonyms ("F" is a part of...):

abfarad (a capacitance unit equal to one billion farads)

Meaning:

The 6th letter of the Roman alphabet

Classified under:

Nouns denoting communicative processes and contents

Synonyms:

letter f; F

Hypernyms ("F" is a kind of...):

alphabetic character; letter; letter of the alphabet (the conventional characters of the alphabet used to represent speech)

Holonyms ("F" is a member of...):

Latin alphabet; Roman alphabet (the alphabet evolved by the ancient Romans which serves for writing most of the languages of western Europe)