"fer" is probably misspelled. Trying f instead Definition of f
fer
1. [ noun ] (physics) a degree on the Fahrenheit scale of temperature
Synonyms: degree_Fahrenheit
Related terms: degree
2. [ adjective ] of a temperature scale that registers the freezing point of water as 32 degrees F and the boiling point as 212 degrees F at one atmosphere of pressure
Synonyms: Fahr fahrenheit
Examples:

"the Fahrenheit scale"

Related terms: c
3. [ noun ] (chemistry) 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: fluorine atomic_number_9
Related terms: gas chemical_element halogen fluorite fluorapatite cryolite
4. [ noun ] the 6th letter of the Roman alphabet
Related terms: letter Roman_alphabet
5. [ noun ] (physics) 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: farad
Related terms: capacitance_unit abfarad millifarad
Similar spelling:   Fehr
  fear
  fewer
  Feuer
  Ferry
  Ferro
  Ferri
  Ferra
  feria
  Feher
  Ferree
  fearie