List of acronyms: H

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This list contains acronyms, initialisms, and pseudo-blends  that begin with the letter H.

For the purposes of this list:

  • acronym = an abbreviation pronounced as if it were a word, e.g., SARS = severe acute respiratory syndrome, pronounced to rhyme with cars
  • initialism = an abbreviation pronounced wholly or partly using the names of its constituent letters, e.g., CD = compact disc, pronounced cee dee
  • pseudo-blend = an abbreviation whose extra or omitted letters mean that it cannot stand as a true acronym, initialism, or portmanteau (a word formed by combining two or more words).
(a) = acronym, e.g.: SARS – (a) severe acute respiratory syndrome
(i) = initialism, e.g.: CD – (i) compact disc
(p) = pseudo-blend, e.g.: UNIFEM – (p) United Nations Development Fund for Women
(s) = symbol (none of the above, representing and pronounced as something else; for example: MHz – megahertz)

Some terms are spoken as either acronym or initialism, e.g., VoIP, pronounced both as voyp and V-O-I-P.

(Main list of acronyms)

HA[edit]

HB[edit]

HC[edit]

HD[edit]

HE[edit]

HF[edit]

HG[edit]

HH[edit]

HI[edit]

HJ[edit]

  • HJ – (i) hic jacet (Latin, "here lies")
  • HJD – (i) Heliocentric Julian Day

HK[edit]

HL[edit]

HM[edit]

HN[edit]

HO[edit]

HP[edit]

HQ[edit]

HR[edit]

HS[edit]

HT[edit]

HU[edit]

HV[edit]

HW[edit]

  • HW – (p) Hardware – (i) High Water (nautical charts)
  • HWM – (i) Hardware morphing (computer graphics rendering)

HX[edit]

HY[edit]

HZ[edit]

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