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oh    音标拼音: ['o]
int. (表示惊讶,恐怖,赞叹)哦!

OH
n 1: a midwestern state in north central United States in the
Great Lakes region [synonym: {Ohio}, {Buckeye State}, {OH}]

Oh \Oh\ ([=o]), interj. [See {O}, interj.]
An exclamation expressing various emotions, according to the
tone and manner, especially surprise, pain, sorrow, anxiety,
or a wish. See the Note under {O}.
[1913 Webster]


-ol \-ol\ (-[=o]l or -[o^]l) suff. [From alcohol.] (Chem.)
A suffix denoting that the substance in the name of which it
appears belongs to the series of alcohols or hydroxyl
derivatives, as ethanol, carbinol, phenol, glycerol, etc.
Such compounds contain the hydroxy radical ({-OH}).
[1913 Webster PJC]


molecular formula \mo*lec"u*lar form"u*la\, n. (Chem.)
An expression representing the composition of elements in a
chemical substance, commonly consisting of a series of
letters and numbers comprising the atomic symbols of each
element present in a compound followed by the number of atoms
of that element present in one molecule of the substance.
Thus the molecular formula for common alcohol (ethyl alcohol)
is {C2H6O}, meaning that each molecule contains two carbon
atoms, six hydrogen atoms, and one oxygen atom. The molecular
formula may be written to provide some indication of the
actual structure of the molecule, in which case structural
units may be written separately. Thus, ethyl alcohol can also
be written as {CH3.CH2.OH} or {CH3-CH2-OH}, in which the
period or dash between functional groups indicates a single
bond between the principle atoms of each group. This formula
shows that in ethyl alcohol, the carbon of a methyl group
({CH3-}) is attached to the carbon of a methylene group
({-CH2-}), which is attached to the oxygen of a hydroxyl
group ({-OH}). A {structural formula} is a graphical
depiction of the relative positions of atoms in a molecule,
and may be very complicated.
[PJC]


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  • OH Definition Meaning - Merriam-Webster
    The meaning of OH is —used to express an emotion (such as surprise or desire) or in response to physical stimuli How to use oh in a sentence
  • OH Definition Meaning | Dictionary. com
    Oh definition: (used as an expression of surprise, pain, disapproval, etc ) See examples of OH used in a sentence
  • OH | English meaning - Cambridge Dictionary
    OH definition: 1 used to express different emotions, such as surprise, disappointment, and pleasure, often as a… Learn more
  • Oh - definition of oh by The Free Dictionary
    Used to express strong emotion, such as surprise, fear, anger, or pain: Oh—can't you stop making so much noise? 2 Used in direct address: Oh, sir! You forgot your keys 3 Used to indicate understanding or acknowledgment of a statement: Oh, I see You can't come until tomorrow n Zero
  • oh - definition and meaning - Wordnik
    interjection Used to express strong emotion, such as surprise, fear, anger, or pain interjection Used in direct address interjection Used to indicate understanding or acknowledgment of a statement from The Century Dictionary An abbreviation of Old High German from the GNU version of the Collaborative International Dictionary of English
  • How to Use O vs. oh Correctly - GRAMMARIST
    In English, “oh” is classified as an interjection, which basically means it’s a word used to express strong emotions or feelings Words like ah, ahh, yikes, oops, and phew are also interjections to give you a better idea
  • oh - Wiktionary, the free dictionary
    Expression of understanding, affirmation, recognition, or realization Oh, so that's how it works A word to precede an offhand or annoyed remark Oh, leave me alone A word to precede an added comment or afterthought Oh, and don't forget your coat
  • oh | meaning of oh in Longman Dictionary of Contemporary English | LDOCE
    oh meaning, definition, what is oh: used when you want to get someone’s atte : Learn more
  • Meaning of oh – Learner’s Dictionary - Cambridge Dictionary
    OH definition: 1 used before you say something, often before replying to what someone has said: 2 used to show… Learn more





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