| 释义 |
an-
an-(word root) not, withoutExamples of words with the root an-: anhydrousan- or before a consonant a-prefixnot; without: anaphrodisiac. [from Greek]an1 (ən; when stressed æn)
indefinite article. the form of a 1 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. [before 950; Middle English; Old English ān one] usage: See a1. an3 (ən; when stressed æn)
prep. the form of a2 before an initial vowel sound: 14 dollars an ounce; 55 miles an hour.usage: See per.an2 or an' (ən; when stressed æn) 'n, 'n',
conj. 1. Pron. Spelling. and. 2. Archaic. if. [1125–75; Middle English, unstressed phonetic variant of and] an-1 , a prefix occurring orig. in loanwords from Greek, with the meanings “not,” “without,” “lacking” ( anaerobic; anhydrous; anonymous); regularly attached to words or stems beginning with a vowel or h.Compare a-6. [< Greek] an-2 , var. of ad- before n: announce.an-3 , var. of ana- before a vowel: anion. -an1 , a suffix with the general sense “of, pertaining to, having qualities of,” occurring orig. in adjectives borrowed from Latin and formed from nouns denoting places ( Roman; urban) or persons ( Augustan), now commonly forming adjectives and nouns denoting affiliation with a place or membership in a group (Chicagoan; crustacean; Episcopalian); attached to personal names, it may additionally mean “contemporary with” (Elizabethan) or “proponent of” (Freudian). The suffix -an1 also occurs in personal nouns denoting one who engages in, practices, or works with the referent of the base word (comedian; electrician; historian). See -ian for relative distribution with that suffix. Compare -arian, -ician. [Middle English < Latin -ānus; or replacing -ain, -en < Old French < Latin] -an2 , a suffix used in the names of organic chemical compounds, esp. polysaccharides: pentosan; xanthan.[of uncertain orig.] An Chem. Symbol. actinon. an. in the year. [< Latin annō] an-
A-Symbol for anion.
a- , an-Not, without, -less; equivalent to L. in- and E. un-. [G. not, un-, usually an- before a vowel] an- prefix Absent, without; as in, anaerobic (without oxygen).a- , an-Prefixes denoting not, without, -less; equivalent to L. in- and E. un-. [G. not, un-, usually an- before a vowel]
A-Abbreviation for anion. an- Prefix denoting not, negative. This is the euphonic form of the Greek a , not, negative.an- or a- prefix denoting not, without.LegalSeeAnFinancialSeeAN |