xero- 或 xer-
pref.（前缀）
语源
pref.（前缀）
- Dry; dryness:
表示“干的，干燥”：
xeroderma.
干皮症
语源
- Greek xēro-
希腊语 xēro- - from xēros [dry]
源自 xēros [干燥]
xero- or (before a vowel) xer-
combining form
indicating dryness
⇒
xeroderma
Origin
from Greek xēros dryxero-
Word Origin
1
a combining form meaning “dry,” used in the formation of compound words:
xerophyte.
Also, especially before a vowel, xer-.
Origin
combining form of Greek xērós dry
Related Words
- xeroderma
- xerography
- xerophagy
- xerophilous
- xerophyte
- xeroradiograph
xero-a word element meaning 'dry', as in xeroderma.
Also, (before a vowel), xer-. [combining form representing Greek xēros]
xero-
combining form
⇨ see xer-
combining form
⇨ see xer-
xero-
combining form
- dry表示“干燥”：
-
xeroderma.
xerophyte.
词源
from Greek xēros 'dry'.
1848 Dunglison Med. Lex. (ed. 7),*Xeroderma, diminution of secretion of the sebaceous glands.
1864 W. T. Fox SkinDis. viii. 222True xeroderma is in reality the early stage of ichthyosis, a true epithelial disease.
1899 Allbutt's Syst. Med. VIII. 786is only a part of a general xeroderma. [ Lichen pilaris]
1884 Medico-Chir. Trans. LXVII. 169 (heading)Three cases of *xeroderma pigmentosum, Kaposi or atrophoderma pigmentosum.
1952 C. P. Blacker Eugenics 248Among these genes are those believed to determine retinitis pigmentosa, a severe disease of the eye leading to blindness; epidermolysis bullosa and xeroderma pigmentosum, both diseases of the skin.
1975 Sci. Amer. Nov. 68/2An inherited defect in the enzymes that repair DNA damaged by ultraviolet light, called xeroderma pigmentosum, leads to multiple skin cancers.
1913 Dorland Med. Dict. (ed. 7),*Xerodermatic.
1899 Allbutt's Syst. Med. VIII. 851The skin is dry and thin but not *xerodermatous.
1891 Cent. Dict. ,*Xerodermia, same as Xeroderma.
1899 . [ see xerosis]
1890 Retrospect Med. CII. 92Minute white, gray, or red scaly *xerodermic prominences, having a hair in the centre.
1901 Dorland Med. Dict. (ed. 2),*Xeroform, a yellow neutral powder derived from tribromphenol and bismuth, (C6H2Br3O)2 BiOH + Bi2O3: useful in the treatment of wounds, abscesses, etc., and as an intestinal antiseptic.
1934 Webster, *Xeromorph.
1953 Sci. News XXVII. 10The term ‘xerophyte’ is now limited to those plants able to endure conditions of drought, while salt-marsh plants are known as ‘xeromorphs’.
1981 Austral. Jrnl. Bot. XXIX. 518G annulifera has the nutritional characteristics common to xeromorphs plus strategies to channel nutrients very efficiently to its seeds. [ revillea]
1909 E. Warming Œcol. of Plants xlvi. 194There must be a causal connexion between the soil and the *xeromorphic structure which has been described.
1938 Weaver & Clements PlantEcol. (ed. 2) xvi. 445Xeromorphic structures such as thick cuticle, waxy covering, or abundant development of hairs have little value in directly reducing the rate of transpiration of xerophytes so long as the stomata are open.
1974 Nature 26 Apr. 807/2 The Hybanthus shrubs conspicuous by their apparent lack of xeromorphic adaptation to a climate which becomes increasingly arid towards the continental interior.
1909 E. Warming Œcol. of Plants xlvi. 194This *xeromorphy of plants growing on wet moor-soil occurs all the world over.
1963 Nature 30 Nov. 909/2 It is well known that xeromorphy is of physiological importance to the aquatic plants which exhibit it and certain tissues become altered in relation to environment.
1980 Bot. Jrnl. LinneanSoc. LXXX. 319Most of the variable characters are related to xeromorphy and are taxonomically useful within the framework of the present classification.
1878 *Xerophile . [ see hygrophilous a.]
1884 Trans. VictoriaInst. 38Xerophiles—plants such as pertain to very dry climates.
1921 H. Printz Vegetation of Siberian-Mongolian Frontiers 14At a short distance from the river..the xerophile typical steppe vegetation predominates.
1936 Hereditas XXI. 290 Viola crassa is xerophile and alpine.
1985 Times 4 Jan. 12/2 The site was then abandoned, a conclusion that Dr Evans bases on the high diversity of snail species and the general paucity of xerophile species.
1961 Webster, *Xerophilic.
1965 B. E. Freeman tr. Vandel's Biospeleology xiii. 213The Tenebrionidae are mainly xerophilic insects.
1972 Science 19 May 788/1 He is equally good when describing various kinds of vegetation, from the aquatic to the xerophilic.
1863 J. G. Baker N.Yorksh. xxii. 316The *Xerophilous and Maritime species are very few in number. [ of mosses]
1893 Athenæum 2 Dec. 774/3 A paper..by the Rev. G. Henslow ‘On the Origin of Plant Structures by Self-adaptation to the Environment, exemplified by Desert and Xerophilous Plants.’
1968 Jrnl. Zool. CLV. 365Many xerophilous species occupying desert or semi-arid areas have adapted their breeding physiology to take advantage of the unpredictable and sporadic rainfall that may occur at any time.
1904 Science 3 June 866/2 The causes of *xerophily in bog plants.
1897 Willis Flower. Pl. & Ferns I. 178In countries with long dry seasons .., the plants..agree in having a lower rate of transpiration than plants living where there is plenty of available water. Plants of this kind are termed *xerophytes. [ etc.]
1906 G. Henslow in 19thCent. Nov. 801E Paralias is a xerophyte with coriaceous leaves, because it has adapted itself to a maritime situation in England. [ uphoriba]
1897 Willis Flower. Pl. & Ferns I. 185No plants..can be regular epiphytes unless they possess well-marked *xerophytic characters, including as a rule the capacity for water⁓storage.
1900 Nature 13 Dec. 150/1 Every one is aware how extremely intolerant of moisture are the cacti and some other xerophytic plants.
Ibid. 15 Nov. 53/2The stomatal grooves on the lower surface of the leaf suggest a xerophytic adaptation. Indications of *xerophytism are afforded by other anatomical characters in certain Palæozoic types. [ of Lepidodendron]
1926 *Xerosere . [ see hydroseres.v. hydro-]
1952 P. W. Richards Tropical Rain Forest xii. 287Opportunities for observing xeroseres in the tropics are..not infrequent, particularly in regions of volcanic activity.
1890 Billings Nat. Med. Dict. ,*Xerostomia, dryness of the mouth.
1897 Allbutt's Syst. Med. III. 310The salivary and buccal secretions may be totally arrested as in cases of xerostomia.
1904 Bot. Gaz. Apr. 312 (Cent. D.Suppl. )Jerosch holds that an interglacial *xerothermic or steppe period has been proved by the facts of plant geography, paleontology, and geology.
xero-
before vowels, xer-, word-forming element meaning "dry," from Greek xero-, comb. form of xeros "dry, withered" (see xerasia).
ORIGIN: Greek xēro- combining form of xēros dry: see -o-
xero-
combining form. dry:Also, xer- before vowels.
Xeroderma = (a disease characterized by) dry skin.Xerophilous = adapted to a dry climate.
[< Greek xērós dry]
xero-
combining form
see xer-
see xer-
xero-xer-
Prefix
- Forms terms relating to dry- or dryness
- Forms terms relating to Xerox photocopying
Etymology
From Ancient Greek ξηρός (xērós, “dry”).
Derived terms
English words prefixed with xero-