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词汇 dia-
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dia- 或 di-
pref.（前缀）
  1. Through:
    通过：
    diachronic.
    历时的
  2. Across:
    横过：
    diatropism.
    纬向

语源
  1. Greek
    希腊语
  2. from dia [through]
    源自 dia [通过]
dia- or di-

prefix

through, throughout, or during
⇒ diachronic
across
⇒ diactinic
apart
⇒ diacritic
(in botany) at right angles
⇒ diatropism
in opposite or different directions
⇒ diamagnetism

Origin

from Greek dia through, between, across, by

dia-

Word Origin
1
a prefix occurring in loanwords from Greek (diabetes; dialect) and used, in the formation of compound words, to mean “passing through” (diathermy), “thoroughly,” “completely” (diagnosis), “going apart” (dialysis), and “opposed in moment” (diamagnetism).
Also, especially before a vowel, di-.
Origin
< Greek, combining form representing diá (preposition) through, between, across, by, of, akin to dýo two and di- di-1

Related Words

  • adiabatic
  • adiadochokinesia
  • adiaphorous
  • devil
  • diabatic
  • diabetes
dia-a prefix meaning:
1. passing through, as in diathermy.
2. thoroughly; completely, as in diagnosis.
3. going apart, as in dialysis.
4. opposed in moment (def. 6), as in diamagnetic.
Also, di-. [Greek, representing dia (preposition) through, between, across, by, of]
dia-
prefix
also di-
 ETYMOLOGY  Latin, from Greek, through, apart, from dia; akin to Latin dis-
: through
    diapositive
: across
    diadromous
dia-
/ˈdaɪə/  
（在元音前亦作di-）
prefix
1.
through; across
表示“穿过”, “横穿”：

diameter

diaphanous

diuretic.

2.
apart
表示“分开”：

diakinesis.

词源
from Greek dia 'through'.
▪ I.dia-, prefix1before a vowel di-, repr. Gr. δια-, δι-, the prep. διά through, during, across, by. [orig. *δϝιγα, from root of *δϝο, δύο two, and so related to δίς, *δϝίς twice (di-2) and L. dis- a-two, asunder (dis-, di-1).] Much used in Greek in composition, in the senses ‘through, thorough, thoroughly, apart’, as in διάδροµος running through, διάλεκτος discourse, διάµετρος measure through or crosswise, diameter, διατριβή wearing through or away, pastime, δίοπτρον a thing for looking through, a spyglass. Hence in English, in a few old words through Latin and French, or Latin only, and in many modern scientific and technical words formed directly from Greek, or on Greek analogies.▪ II.dia-, prefix2in medical terms. In Greek such phrases as διὰ καρύων, διὰ κωδειῶν, διὰ µίσυος, διὰ µόρων, διὰ τριῶν πεπερέων, διὰ τεσσάρων, διὰ πέντε, meaning ‘made or consisting of nuts, of poppy-heads, of vitriol, of mulberries, of three peppers, of four or of five (ingredients)’, etc., were applied to medicaments of which these ingredients were the chief constituents, the full form implied being τὸ διὰ τριῶν πεπερέων ϕάρµακον medicament made up of three peppers, etc. By the Latin physicians these phrases were treated as words, thus diachȳlōn, diacissōn, diacōdīōn, diaglauciōn, diagrydiōn, dialibanōn, diamelilōtōn, diamelitōn, diamisyos, diamorōn, diapente, diatessarōn; and their number was increased by many later formations of the same kind. Their grammatical character tended to be forgotten, final -ōn (Gr. -ων) being taken for -on (Gr. -ον), and then latinized as -um, e.g. diachȳlum, diaglaucium, dialibanum, dihæmatum (δι' αἱµάτων); or a nominative was otherwise formed, as diapentes. The New Sydenham Society's Lexicon gives about eighty of these in mediæval and early modern Latin.Several of these are given in French form by Cotgrave; many were formerly in English use, either in their mediæval-Latin form or partly anglicized. Phillips 1678–1706 has ‘Dia, a Greek Preposition..set before the names of many medicinal compositions, to which that of the principal Ingredient is usually joined, by Physicians and Apothecaries, as Diaprunum, Diascordium, Diasenna, etc.’ Only a few, e.g. diachylum, survive in modern use: see also, in their alphabetical places, diacatholicon, diacodium, diagrydium, diamber, diamoron, diapalma, diaprune, diascord, diasenna, diatessaron. Among others, are the obsolete diaˈcarthami (-amy) [F. diacartami Cotgr.], a preparation of carthamus or bastard saffron; diaˈcassia, of cassia or bastard cinnamon; diaˈcissum [Gr. κισσῶν], of ivy leaves; diacoˈrallion, composed of red coral; diacyˈminon, diaciˈminon [F. diaciminon Cotgr.; Gr. κύµῑνον], composed of cumin; diagaˈlanga [F. diagalange], made of galanga or galingale; diamargaˈriton [also in OF.; Gr. µαργαρίτων of pearls]; † diapeˈnidion Obs. [med.L. pēnidion, -um (F. penide ‘a pennet, the little wreath of sugar taken in a cold’) = Gr. *πηνίδιον, dim of πήνη thread. (See Skeat Notes to P. Pl., E.E.T.S. 110.).] diaˈphœnic(-on) [F. diaphenicum Cotgr.; Gr. ϕοινίκων of dates]; diˈarrhodon [F. diarrodon Cotgr.; Gr. ῥόδων of roses, διάρροδον (sc. κολλύριον a salve) compound of roses]; diaˈrhubarb, a preparation of rhubarb; diaˈtragacanth [OF. diadragant, etc. Godef.], preparation of tragacanth; diatrion-pipereon, -santalon, a preparation consisting of three kinds of pepper, or of sanders or sandal-wood; diaˈzingiber, -ˈzinziber, a confection of ginger.The 17–18th c. English Dictionaries, Phillips, Bailey, Chambers, Ash, etc., give also diaˈbotanum, a plaster made of herbs, diacalaˈminthe, diaˈcapparis (of capers), diaˈcaryon (of walnuts), diacaˈstoreum, diachalˈcitis, diacinnaˈmomum, diaciˈtonium, diacoˈprægia (of goats' dung), diacorum (of acorus or calamus), diaˈcostum (of costmary), diaˈcrommyon (of onions), diacyˈdonium (conserve of quinces, marmalade), diadamaˈscenum (of damsons), diaˈglaucion (of glaucium), diaˈhexapla (a drink for horses of six ingredients), diaˈhyssopum, diaˈlacca (of gum lac), dialˈthæa (of marsh mallow), diaˈmerdes (of ordure), diaˈmoschum (of musk), diaˈnisum (of anise), diaˈnucum (of walnuts), diaoliˈbanum, diapaˈpaver (of poppies), diapomˈpholygos (of pompholyx), diasaˈtyrion, diaseˈbesten, diaˈtribus (of three sorts of sanders), diaxyˈlaloes (of wood of aloes), etc. Cf. also1621Burton Anat. Melanch. ii. iv. i. v.1471Ripley Comp. Alch. Ep. in Ashm. (1652) 113 Use *Diacameron.1544Phaer. Regim. Life (1553) A viij a, A potion..made of halfe an ounce of *diacartamy dissolved in..iij ounces of betonie.1565–73Cooper Thesaurus, Cnicos, an herbe called Carthamus, wherof is made an notable confection named Diacarthami to purge fleume.1671Salmon Syn. Med. iii. lxxxiii. 762 First sufficiently cleanse with *Diacassia with Turpentine.1545Nottingham Rec. III. 224 Duas pixides de conserves vocatis *‘diacitrin’.1741Compl. Fam. Piece i. i. 53 Take.. *Diacorallion a Dram and a half.1362Langland P. Pl. A. v. 101 May no Suger so swete aswagen hit vnneþe, No no Diopendion [v.rr. dyapendyon, diapenydion, B. diapenidion] dryve it from myn herte.1625Hart Anat. Ur. ii. xi. 127 A certaine portion of the Electuarie *Diaphœnicon, mingled with..powder of Diagridium.1646Sir T. Browne Pseud. Ep. iii. xii. 133 Diaphænicon a purging electuary..which receiveth that name from Dates.1727–51Chambers Cycl., Diaphoenic..a soft purgative electuary.1789Archaeol. IX. 233 Diarhodon ad servorum seems a salve or water of roses for inflammations in the eyes.c1400Lanfranc's Cirurg. 229 Trociscus de turbit maad wiþ *diarubarbe.1657Physical Dict., *Diatraganth, a confection..good against hot diseases of the breast.c1400Lanfranc's Cirurg. 238 Ȝeve him *diatrion piperion or anoþer hoot eletuarie.Ibid., He schal take *diazinziberum of oure makinge.1600W. Vaughan Direct. Health (1602) 63 If you be troubled with rheumes..vse diatrion piperion.
dia-
before vowels, di-, word-forming element meaning "through, thoroughly, entirely," from Greek dia-, from dia "through, throughout," probably from the root of duo "two" (see two) with a base sense of "twice."
1. prefix1 | 2. prefix2
 1 
dia- /dʌɪə/ prefix1. See also di-3.
ORIGIN: Greek, from dia (preposition) through.
Used in words of Greek origin, and in English formations modelled on them, with the senses ‘through’, as diaphanous, ‘across’ as diameter, ‘transversely’ as diaheliotropic, ‘apart’ as diaeresis.
 2 
dia- /dʌɪə/ prefix2.
ORIGIN: Repr. Greek dia (see dia-1) in phrases such as dia kōdeiōn, dia tessarōn, treated in Latin as single words (diacodion, diatessaron), sometimes with Latinized ending (diachylum).
Used in names, mostly obsolete, of compound medicines, with the sense ‘made or consisting of’.
☞ dia.
dia-
prefix
also di-
Etymology: Middle English, from Old French, from Latin, from Greek, from dia; akin to Latin dis- — more at dis-
1. : through : during
 < diachronic >
: across
 < diactinic >
2. : made of : consisting of — in names of compounded medicines
 < diacodion >

dia-

Prefix

  1. through, across, between

Etymology

From Ancient Greek prefix δια- (dia-), from διά (diá, “through, across, by, over”)

See also

  • trans-

    • Derived terms

  • diabotanum
  • diacaryon
  • diacopraegia
  • diagnosis
  • diagonal
  • dialog[ue]
  • diamagnetic
  • diaphragm
  • diapositive
  • dielectric

    • 前缀：dia- 表示"穿过, 二者之间"

    dialogue 对话（dia+logue话→对着说话）

    diameter 直径（dia+meter测量→对着测量〔圆〕直径）

    diaphanous 透明的；精致的（dia+phan显示＋ous→对面显示〔影子〕→透明的）

    dialectic 辩证法（dia+lect讲+ic→二人对讲→辩证法）

    diagnosis 诊断（dia+gnosis知道→穿过〔皮肤〕知道→诊断）

    diagram 图表（dia+gram→交叉对着画→图表）

    前缀：dia- 贯通, 对穿, 透过, 相对

    diagonal 对角线

    dialogue 对话

    diameter 直径

    diathermal 透热的

    前缀：dia-

    【词根含义】：通过,横过;分离,分开;二,双

    【词根来源】：来源于拉丁语前缀dia-。

    【同源单词】：diagnose, diagnosis, diagram, dialect, dialog
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    更新时间：2025/1/10 10:00:23