请输入您要查询的词汇:

 

词汇 spiro-
词根词缀
AHD
Collins
Dictionary.com
Macquarie
NewOxfordEC
OED
Online Etymology Dictionary
SOED
Webster
Wiktionary

spiro-
pref.(前缀)
  1. Respiration:
    前缀,表示“呼吸”:
    spirometer.
    肺活量计

语源
  1. From Latin spīrāre [to breathe]
    源自 拉丁语 spīrāre [呼吸]

spiro-1

combining form

indicating breath or respiration
spirograph

Origin

from Latin spīrāre to breathe

spiro-2

combining form

spiral; coil
spirochaete

Origin

from Latin spīra, from Greek speira a coil

spiro-1

Word Origin
1
a combining form meaning “respiration,” used in the formation of compound words:
spirograph.
Origin
combining form of Latin spīrāre to breathe

spiro-2

1
a combining form meaning “coil,” “spiral,” used in the formation of compound words:
spirochete.
Origin
combining form of Latin spīra < Greek speîra coil

Related Words

  • spirogyra
  • spirochete
  • spirograph
  • spirometer
  • spironolactone
spiro-I.
a word element referring to 'respiration', as in spirograph.
[combining form representing Latin spīrāre breathe]
II.
a word element meaning 'coil', 'spiral', as in spirochaete.
[Greek speiro-, combining form of speira]
spiro-1
/ˈspaɪərəʊ/  
combining form
1.
spiral; in a spiral
表示“螺旋(形的)”:

spirochaete.

2.
Chemistry denoting a molecule with two rings with one atom common to both
【化】表示“螺线”:

spironolactone.

词源
from Latin spira, Greek speira 'a coil'.

spiro-2
/ˈspaɪərəʊ/  
combining form
relating to breathing
表示“呼吸的”:

spirometer.

词源
formed irregularly from Latin spirare 'breathe'.
spiro-|ˈspaɪrəʊ|1. Combining form of L. spīra, Gr. σπεῖρα spire n.3, used in a number of scientific terms, as spirobacˈteria, bacteria with spirally twisted cells; Spirochæte |ˈspaɪrəʊkiːt| (also -chet- in this word and its derivatives): a genus of bacteria having a highly twisted spiral form; in mod. use, any bacterium of the order Spirochætales, comprising actively motile non-spore-forming organisms having a helical form; hence spiroˈchætal a., that is a spirochæte; caused by spirochætes; ˌspirochætiˈcidal a., lethal to spirochætes; spiroˈchæticide a spirochæticidal substance; spirochæˈtosis, infection with or a disease caused by spirochætes.1876tr. Wagner's Gen. Pathol. 93 *Spirobacteria are distinguished from vibrio, by the closer and narrower, regular, permanent spiral of the filament.1916Jrnl. Exper. Med. XXIII. 377 We discovered a *spirochætal microorganism which is now believed to be the cause [of Weil's disease].1922Encycl. Brit. XXXI. 906/1 It is best described as spirochætal jaundice rather than by the older name of Weil's disease.1969Edington & Gilles Path. in Tropics vii. 298 Leptospirosis is caused by infection with spirochaetal organisms.1877Huxley & Martin Elem. Biol. 29 *Spirochæte. Much like spirillum, but longer and with a much more closely rolled spiral.1899tr. Jaksch's Clin. Diagnosis vi. 206 Mobile swarms are seen in the centre of the mass, while at its circumference appear the spirochæte-like bodies.1908Practitioner Oct. 549 The treponema, or, as they are usually designated in this country, the spirochaetes.1919Chambers's Jrnl. June 415/2 This organism belongs to the class known as spirochaetes, of which the spirochaete of syphilis and that of relapsing fever are other members.1939R. Campbell Flowering Rifle ii. 47 The fierce spirochete.1973R. G. Krueger et al. Introd. Microbiol. iii. 59/1 The order is subdivided into two families: Spirochaetaceae for the larger..spirochaetes, which are free-living or parasitic in shellfish; and Treponemataceae for spirochetes that are only about 0·2–0·3 µm in diameter and do not exceed 16 µm in length.1913Jrnl. Exper. Med. XVIII. 435 (heading) A study of the *spirochæticidal action of the serum of patients treated with Salvarsan.1949M. A. Jennings in H. W. Florey et al. Antibiotics II. xxxi. 1037 Penicillin possessed some spirocheticidal activity.1920Jrnl. Amer. Med. Assoc. 25 Dec. 1768/1 The efficacy of..*spirocheticides in the so-called chemical prophylaxis of syphilis is limited to a period of not more than eight hours after the spirochete has had the opportunity of invading the healthy person.1906Jrnl. Hygiene VI. 580 (heading) *Spirochaetosis of mice due to Spirochaeta muris n.sp. in the blood.1951Whitby & Hynes Med. Bacteriol. (ed. 5) xxi. 350 Spirochætes and fusiform bacilli of Vincent's type may be found in large numbers in various conditions, particularly of the lung, known as spirochætosis.1981Brit. Med. Jrnl. 21 Nov. 1362/1 A review of 100 consecutive rectal biopsy specimens obtained from patients with rectal bleeding or diarrhoea showed that 10 had spirochaetosis.2. Chem. Formative element used in the names of organic compounds whose molecular structure includes two rings with a single atom (usu. of carbon or nitrogen) common to both. Also in Comb. or as quasi-adj., as spiro-compound. [Introduced in Ger. (A. Baeyer 1900, in Ber. d. Deut. Chem. Ges. XXXIII. 3771).]1908Chem. Abstr. II. 75 (heading) Spirocyclane.Ibid., The term ‘spiro’ is applied by the author to systems of two cycloids, having only one carbon atom in common.1909Jrnl. Chem. Soc. XCVI. i. 652 The product, decomposed by cold water, yields the spirocyclane derivative.1915Ibid. CVII. ii 1080 (heading) The formation and stability of spiro-compounds.1932Proc. R. Soc. A. CXXXIV. 359 The anhydrous crystals of racemic spiro-dihydantoin have a density of 1·94.1960Jrnl. Amer. Chem. Soc. LXXXII. 5560/1 According to the number of spiro atoms present, the compounds are distinguished as monospiro, dispiro, trispiro compounds etc.1976A. L. Ternay Contemp. Org. Chem. vii. 185 A spiro compound results when two rings share one atom.1978Nature 5 Jan. 44/2 During irradiation of spiropyrans, in non-polar solvents dimer and charge-transfer complexes are formed.1978Further Perspectives Org. Chem. (CIBA) 40 Evidence for the possible spiro intermediate would give enormous support and we are seeking it.
spiro-
word-forming element meaning "twisted, spiraled, whorled," from comb. form of Latin spira "a coil, twist," from Greek speira (see spiral, adj.).
spiro- /ˈspʌɪrəʊ/ combining form. Before a vowel also spir-. In sense 2 also spira- /ˈspʌɪrə/ and as attrib. adjective spiro. L19.
ORIGIN: from Latin spira, Greek speira spire noun3: see -o-.
1.Having or pertaining to a spiral shape.
2.Chemistry. Forming names of organic compounds whose molecular structure includes two rings having a single atom (usu. of carbon or nitrogen) in common. Cf. spirane.
 DERIVATIVE spiroˈlactone noun (Chemistry & Pharmacology) a spirane in which one of the rings is a lactone; spec. any of the series of steroid derivatives to which spironolactone belongs: M20.
spiroplasma noun (Biology) any of a group of pathogenic prokaryotes lacking a cell wall and related to the mycoplasmas, distinguished by helical structure and rotatory movement L20.
spiro-
I. combining form
Etymology: International Scientific Vocabulary spir- (from Latin spirare to breathe) + -o- — more at spirit
: respiration
 < spirometer >
II.
— see spir-

spiro-

Prefix

  1. Forms terms related to spirals or helices
  2. medicine Forms terms related to respiration
  3. chemistry Forms terms related to spiro compounds
随便看

 

英语词根词缀词典收录了54763条英语词根词缀词条,基本涵盖了全部常用英语词汇的词根、词缀及词根记忆法解析,是记忆英语词汇的必备工具。

 

Copyright © 2000-2024 Newdu.com.com All Rights Reserved
更新时间:2025/1/25 10:02:05