VHF

Pronunciation (US):

(GB):

 Dictionary entry overview: What does VHF mean? 

• VHF (noun)
  The noun VHF has 2 senses:

1. a group of illnesses caused by a viral infection (usually restricted to a specific geographic area); fever and gastrointestinal symptoms are followed by capillary hemorrhage

2. 30 to 300 megahertz

  Familiarity information: VHF used as a noun is rare.

 Dictionary entry details 

• VHF (noun)

Sense 1

Meaning:

A group of illnesses caused by a viral infection (usually restricted to a specific geographic area); fever and gastrointestinal symptoms are followed by capillary hemorrhage

Classified under:

Nouns denoting stable states of affairs

Synonyms:

haemorrhagic fever; hemorrhagic fever; VHF; viral haemorrhagic fever; viral hemorrhagic fever

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

viral infection; virus infection (infection by a virus that is pathogenic to humans)

Hyponyms (each of the following is a kind of "VHF"):

Argentine hemorrhagic fever (hemorrhagic fever with neurological signs; caused by the Junin virus)

Ebola; Ebola fever; Ebola hemorrhagic fever (a severe and often fatal disease in humans and nonhuman primates (monkeys and chimpanzees) caused by the Ebola virus; characterized by high fever and severe internal bleeding; can be spread from person to person; is largely limited to Africa)

Lassa fever (an acute contagious viral disease of central western Africa; characterized by fever and inflammation and muscular pains and difficulty swallowing; can be used as a bioweapon)

Crimea-Congo hemorrhagic fever (an infection common in Arab states caused by a bunyavirus; transmitted by a tick that thrives on sheep)

Rift Valley fever (an infection common in Africa caused by a bunyavirus; transmitted by mosquitoes or by handling infected animals)

green monkey disease; Marburg disease; Marburg hemorrhagic fever (a viral disease of green monkeys caused by the Marburg virus; when transmitted to humans it causes serious or fatal illness)

Sense 2

Meaning:

30 to 300 megahertz

Classified under:

Nouns denoting attributes of people and objects

Synonyms:

very high frequency; VHF

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

radio frequency (an electromagnetic wave frequency between audio and infrared)

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

electromagnetic spectrum (the entire frequency range of electromagnetic waves)

 Context examples 

VHFs are found around the world.

(Hemorrhagic Fevers, Centers for Disease Control and Prevention)

Some VHFs cause mild disease, but some, like Ebola or Marburg, cause severe disease and death.

(Hemorrhagic Fevers, Centers for Disease Control and Prevention)

VHFs have common features: they affect many organs, they damage the blood vessels, and they affect the body's ability to regulate itself.

(Hemorrhagic Fevers, Centers for Disease Control and Prevention)

Viral hemorrhagic fevers (VHFs) are a group of illnesses caused by four families of viruses.

(Hemorrhagic Fevers, Centers for Disease Control and Prevention)