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单词 an-
释义

Collins Concise English Dictionary © HarperCollins Publishers::
an-, (before a consonant)a- prefix
  1. not; without: anaphrodisiac
Etymology: from Greek
WordReference Random House Learner's Dictionary of American English © 2024
an1 /ən; when stressed æn/USA pronunciation   indefinite article. 
  1. Pronounsthe form of a used before an initial vowel sound:an arch, an honor, an hourly wage.
    Sometimes, esp. in British English, an is used before an initial h if the h is silent or weakly pronounced and the syllable is unstressed: "an hisˈtorian''; "an hisˈtoric event''.

an-1 ,
  1. prefix.  an- is attached to roots or stems beginning with a vowel or h, and means "not;
    without;
    lacking'':anaerobic (= without oxygen); anonymous (= without name).Compare a-2.

-an1 ,suffix. -an has the general meaning "of, pertaining to, having qualities of''.
  1. It is used to form adjectives and nouns from names of places or people, with the meanings:
    • being connected with a place: Chicago + -an → Chicagoan;
    • having membership in a group of: Episcopal + -(i)an → Episcopalian;
  2. It is used to form adjectives with the meaning "of or like (someone);
    supporter or believer of'': Christ + -(i)an → Christian;
    Freud
    + -(i)an → Freudian (= supporter of or believer in the theories of Sigmund Freud).
  3. It is used to form nouns from words ending in -ic or -y, with the meaning "one who works with '': electric + -(i)an → electrician;
    comedy
    + -an → comedian.

WordReference Random House Unabridged Dictionary of American English © 2024
an1  (ən; when stressed an),USA pronunciation indefinite article.
  1. Pronounsthe form of a before an initial vowel sound (an arch;
    an honor
    ) and sometimes, esp. in British English, before an initial unstressed syllable beginning with a silent or weakly pronounced h:an historian.
  • bef. 950; Middle English; Old English ān one in a weakened sense
    See a 1.

an2  (ən; when stressed an),USA pronunciation conj. 
  1. [Pron. Spelling.]and.
  2. [Archaic.]if.
Also, an', 'n, 'n'. 
  • Middle English, unstressed phonetic variant of and 1125–75

An  (än),USA pronunciation n. 
  1. Chemistry, Eastern Religionsthe Sumerian god of heaven: the counterpart of the Akkadian Anu.

an-1 ,
  1. a prefix occurring before stems beginning with a vowel or h in loanwords from Greek, where it means "not,'' "without,'' "lacking'' (anarchy;
    anecdote
    );
    used in the formation of compound words:anelectric.Also, before a consonant, a-. 
  • Greek. See a-6, in-3, un-1

an-2 ,
  1. var. of ad- before n: announce.

an-3 ,
  1. var. of ana- before a vowel:anion.

-an ,
  1. a suffix occurring originally in adjectives borrowed from Latin, formed from nouns denoting places (Roman;
    urban
    ) or persons (Augustan), and now productively forming English adjectives by extension of the Latin pattern. Attached to geographic names, it denotes provenance or membership (American;
    Chicagoan;
    Tibetan
    ), the latter sense now extended to membership in social classes, religious denominations, etc., in adjectives formed from various kinds of noun bases (Episcopalian;
    pedestrian;
    Puritan;
    Republican
    ) and membership in zoological taxa (acanthocephalan;
    crustacean
    ). Attached to personal names, it has the additional senses "contemporary with'' (Elizabethan;
    Jacobean
    ) or "proponent of '' (Hegelian;
    Freudian
    ) the person specified by the noun base. The suffix -an, and its variant -ian, also occurs in a set of personal nouns, mainly loanwords from French, denoting one who engages in, practices, or works with the referent of the base noun (comedian;
    grammarian;
    historian;
    theologian
    );
    this usage is esp. productive with nouns ending in -ic (electrician;
    logician;
    technician
    ). See -ian for relative distribution with that suffix. Cf. -enne, -ean, -arian, -ician.
  • Latin
  • Old French
  • Latin -ānus, -āna, -ānum; in some words replacing -ain, -en
  • Middle English

AN ,
  1. Language VarietiesAnglo-Norman.
Also, A.-N. 
An ,[Symbol, Chem.]
  1. actinon.

an. ,
  1. in the year.
  • Latin annō

A.N. ,
  1. Language VarietiesAnglo-Norman.
  2. Associate in Nursing.

WordReference Random House Unabridged Dictionary of American English © 2024
an•a1  (anə, änə),USA pronunciation n. 
  1. a collection of miscellaneous information about a particular subject, person, place, or thing.
  2. an item in such a collection, as an anecdote, a memorable saying, etc.
  • independent use of -ana 1720–30

an•a2  (anə),USA pronunciation adv. 
  1. (of ingredients in pharmaceutical prescriptions) in equal quantities;
    of each. Symbol: āā, āa
  • Greek aná of each
  • Medieval Latin
  • 1490–1500

ana-, 
  1. a prefix in loanwords from Greek, where it means "up,'' "against,'' "back,'' "re-'':anabasis;
    used in the formation of compound words:anacardiaceous.
Also,[esp. before a vowel,] an-. 
  • Greek, combining form of aná; no necessary relation to on

-ana, 
  1. a suffix that forms collective nouns denoting an assembly of items, as household objects, art, books, or maps, or a description of such items, as a bibliography, all of which are representative of or associated with the place, person, or period named by the stem:Americana;Shakespeareana;Victoriana.
Also, -iana. 
  • Latin, neuter plural of -ānus -an

A.N.A., 
    1. American Newspaper Association.
    2. American Nurses Association.
    3. Association of National Advertisers.
    Also, ANA 
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