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单词 hf
释义

HF


Hf

The symbol for hafnium.

HF

abbr. high frequency

hf

abbreviation for half

Hf

the chemical symbol for (Chemistry) hafnium

HF

or

h.f.

abbreviation for (Electronics) high frequency

HF

1. high frequency. 2. Hispanic female.

Hf


Chem. Symbol. hafnium.

Hf

The symbol for hafnium.
Thesaurus
Noun1.HF - a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium mineralsHf - a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electronsatomic number 72, hafniummetal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.2.HF - 3 to 30 megahertzhigh frequencyradio frequency - an electromagnetic wave frequency between audio and infraredelectromagnetic spectrum - the entire frequency range of electromagnetic waves

Hf


Hf,

symbol for the element hafniumhafnium
, metallic chemical element; symbol Hf; at. no. 72; at. wt. 178.49; m.p. about 2,227&degC;; b.p. 4,602&degC;; sp. gr. 13.31 at 20&degC;; valence +4. Hafnium is a lustrous, ductile, silvery metal with a hexagonal, close-packed crystalline structure.
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Hf

(chemistry) hafnium

HF

(communications) high frequency

HF

On drawings, abbr. for “hot finished.”

HF

(High Frequency) A range of radio frequencies from 3 to 30 MHz. The HF band is used for amateur radio, marine, aviation and military communications and high-frequency RFID tags.

With regard to audio, high-frequency waves are typically above 3,000 Hz. See frequency bands.

Hf


HF

 Hageman factor (factor XII, one of the coagulation factors).

Hf

Symbol for hafnium.

HF

Abbreviation for:
haemofiltration
haemorrhagic fever
Hageman factor
hair follicle
haplotype frequency
hay fever
head of foetus
heart failure 
heat flow
Hemochromatosis Foundation
high fat
high fibre
high frequency
high fructose
hip fracture
Hispanic female
host factor
hot flashes
hot flushes
human factor
human fibroblast
humidifier lung
hydatid fluid
hydrops fetalis
hyperfractionated
hypoxic fraction

Hf

Symbol for hafnium

HF


AcronymDefinition
HFHalf
HFHigh Frequency (3-30 MHz; 100-10m)
HFHeart Failure
HFHydrogen Fluoride
HFHalf Life (game)
HFHedge Fund
HFHandsfree
HFHafnium
HFHigh Fidelity
HFHave Fun
HFHigh Functioning
HFHot Fix
HFHartree-Fock
HFHarrison Ford
HFHarvest Festival (various organizations)
HFHolland Festival (est. 1947)
HFHarbor Freight
HFHalogen Free
HFHyperfiltration
HFHistorisk-Filosofiske Fakultet (Department of Arts, University of Oslo, Norway)
HFHellfire (antiarmor, laser guided, air-to-ground weapon)
HFHeritage Foundation
HFHuman Factor(s)
HFHyperfine
HFHack Forum (anime)
HFHip Fracture
HFHigh Five (internet gaming)
HFHorizontal Flight (aviation)
HFHemorrhagic Fever
HFHappy Face
HFHlutafelag (Icelandic corporate designation)
HFHelicopter Flight
HFHuck Finn (book)
HFHot Finish (steel)
HFHigh Force
HFHeroic Fantasy
HFHard Failure
HFHyper Fighting (Street Fighter: Hyper Fighting game)
HFHydroflouric (Acid)
HFHageman Factor
HFHome Fleet (British, WWII)
HFHeight Finder
HFHuman Failure
HFHydrogen Fill
HFHabitat Fragmentation (conservation biology)
HFHazard Function
HFHapag Lloyd Flug (IATA airline code)
HFHázi Feladat (Hungarian: homework)
HFHidden Frontier (Star Trek internet-based fanfilm)
HFHaze Filter
HFHeight-Finding (radar)
HFHorizontal Fusion
HFHigh Forage
HFHyperfile
HFHonda Foundry Co., Ltd. (Japan)
HFHarlequin Fetus
HFHarassing Fire
HFHormone Foundation
HFHabbo Forum
HFHarmony Foundation
HFHydro Foil
HFHonor Farm (Alabama prison program)
HFHazards Forum
HFFailed in the House (defeated business of the House of Representatives, North Carolina)
HFHellforge (gaming, Diablo 2)
HFHouse Forsaken (gaming guild)
HFHandling Fixture
HFHammer Forum
HFHydraulfunktion (Swedish electrohydraulics manufacturer)
HFHomeLAN Federation (gaming administrators)
HFHinkle Fieldhouse (Indiana)
HFHarrier Force
HFHemochromatosis Foundation
HFHazard of Failure
HFHead Foreman
HFHybridization Factor
HFHousefellow
HFHolmesdale Fanatics (football ultras group)
HFHoly Fudge (polite form)
HFHatof Foundation
HFHostForce
HFHeredes Fecerunt (Latin: His/Her Heirs Made, epigraphy)
HFHeres Fecit (Latin: His/Her Heir Made, epigraphy)
HFHull Fitter
HFHold For/Held For

Hf


  • noun

Synonyms for Hf

noun a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals

Synonyms

  • atomic number 72
  • hafnium

Related Words

  • metal
  • metallic element

noun 3 to 30 megahertz

Synonyms

  • high frequency

Related Words

  • radio frequency
  • electromagnetic spectrum
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更新时间:2024/11/13 18:58:41