Library / English Dictionary

    VHF

    Pronunciation (US): Play  (GB): Play

     I. (noun) 

    Sense 1

    Meaning:

    30 to 300 megahertzplay

    Synonyms:

    very high frequency; VHF

    Classified under:

    Nouns denoting attributes of people and objects

    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)

    Sense 2

    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 hemorrhageplay

    Synonyms:

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

    Classified under:

    Nouns denoting stable states of affairs

    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)

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