| / English Dictionary |
F
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
The 6th letter of the Roman alphabet
Classified under:
Nouns denoting communicative processes and contents
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)
Sense 2
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
Synonyms:
F; farad
Classified under:
Nouns denoting quantities and units of measure
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)
Sense 3
Meaning:
A degree on the Fahrenheit scale of temperature
Synonyms:
degree Fahrenheit; F
Classified under:
Nouns denoting quantities and units of measure
Hypernyms ("F" is a kind of...):
degree (a unit of temperature on a specified scale)
Sense 4
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
Synonyms:
Classified under:
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)
Context examples:
The fires, believed to have been sparked by lightning on Saturday, were fanned by dry, hot winds as temperatures reached 41 C (106 F) throughout Sunday.
(Australian Wildfires Destroy Homes, Kill Cattle as Hundreds of People Flee, The Titi Tudorancea Bulletin)
A non taxonomic grouping of beta hemolytic species within the Streptococcus genus that are assigned to the F group.
(Beta Streptococcus Group F, NCI Thesaurus)
Nuclear receptor subfamily 2 group F member 6 (404 aa, ~43 kDa) is encoded by the human NR2F6 gene.
(Nuclear Receptor Subfamily 2 Group F Member 6, NCI Thesaurus)
This species is motile, produces the type F toxin, does not hydrolyze gelatin, does not produce acid from trehalose, hydrolyzes esculin and reduces nitrate.
(Clostridium baratii, NCI Thesaurus)
One of the two pairs in the sixth group (or group F) of human chromosomes according to the current classification for humans.
(Chromosome 19, NLM, Medical Subject Headings)
Number assigned to an action reported to FDA under 21 USC 260(f).
(Corrective Action Number, NCI Thesaurus)
Cyclin E is targeted for destruction by the proteasome through ubiquitination when associated with a complex of proteins called the SCF or F box complex.
(Cyclin E Degradation Pathway, NCI Thesaurus/BIOCARTA)
Centromere protein F (3210 aa, ~368 kDa) is encoded by the human CENPF gene.
(Centromere Protein F, NCI Thesaurus)
This allele, which encodes CENP-F kinetochore protein, plays a role in mitotic chromosomal segregation.
(CENPF wt Allele, NCI Thesaurus)
Also called 126–F, Cantron, Jim’s Juice, JS–101, JS–114, Protocel, and Sheridan’s Formula.
(Cancell, NCI Dictionary)
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