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单词 h
释义

Collins Concise English Dictionary © HarperCollins Publishers::
h, H /eɪtʃ/ n ( pl h's, H's, Hs)
  1. the eighth letter and sixth consonant of the modern English alphabet
  2. a speech sound represented by this letter, in English usually a voiceless glottal fricative, as in hat
  3. something shaped like an H
  4. (in combination): an H-beam
h symbol for
  1. Planck constant
  2. hecto-
WordReference Random House Learner's Dictionary of American English © 2024
H, h /eɪtʃ/USA pronunciation   n. [countable], pl. Hs or H's, hs or h's. 
  1. Linguisticsthe eighth letter of the English alphabet, a consonant.

H,  an abbreviation of:
  1. hard.
  2. Biochemistry, Slang Terms[Slang.]heroin.
  3. high.

h,  an abbreviation of:
  1. hard.
  2. hardness.

h. or H.,an abbreviation of:
  1. hard.
  2. hardness.
  3. height.
  4. high.
  5. hour.

WordReference Random House Unabridged Dictionary of American English © 2024
H, h  (āch),USA pronunciation n., pl. H's or Hs, h's or hs. 
  1. the eighth letter of the English alphabet, a consonant.
  2. any spoken sound represented by the letter H or h, as in hot or behave.
  3. something having the shape of anH.
  4. a written or printed representation of the letter H or h.
  5. a device, as a printer's type, for reproducing the letter H or h.

H, 
    1. hard.
    2. Grammarhead.
    3. Chemistry, Electricity[Elect.]henry.
    4. Biochemistry, Slang Terms[Slang.]heroin.
    5. high.

H,  Symbol.
  1. the eighth in order or in a series.
  2. (sometimes l.c.) the medieval Roman numeral for 200. Cf. Roman numerals.
  3. [Chem.]hydrogen.
  4. [Biochem.]histidine.
  5. [Physics.]
    • enthalpy.
    • horizontal component of the earth's magnetic field.
    • See magnetic intensity. 
  6. Music and Dancethe letter used in German to indicate the tone B.

H1 ,[Symbol, Chem.]
  1. Chemistryprotium.
Also, 1 H, Ha
H2 ,[Symbol, Chem.]
  1. Chemistrydeuterium.
Also, 2 H, Hb
H3 ,[Symbol, Chem.]
  1. Chemistrytritium.
Also, 3 H, Hc
h, 
  1. hard.

h, [Symbol, Physics.]
  1. See Planck's constant. 

H., 
  1. Drugs(in prescriptions) an hour.
  • Latin hōra

h., 
    1. harbor.
    2. hard.
    3. hardness.
    4. heavy sea.
    5. height.
    6. hence.
    7. high.
    8. Sport[Baseball.]hit;
      hits.
    9. horns.
    10. hour;
      hours.
    11. hundred.
    12. husband.
    Also, H. 
Collins Concise English Dictionary © HarperCollins Publishers::
H symbol for
  1. hydrogen
  2. magnetic field strength
  3. henry or henries
  4. (on Brit pencils, signifying degree of hardness of lead) hard
Collins Concise English Dictionary © HarperCollins Publishers::
h., H. abbreviation for
  1. harbour
  2. height
  3. hour
  4. husband
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