fluoro- 或 fluor-
pref.（前缀）
语源
pref.（前缀）
- Fluorine:
氟：
fluorosis.
氟中毒 - Fluorescence:
荧光：
fluoroscope.
荧光火检查仪
语源
- From fluorine
源自 fluorine - and from fluor
并源自 fluor
fluoro- or (before a vowel) fluor-
combining form
indicating the presence of fluorine
⇒
fluorocarbon
indicating fluorescence
⇒
fluoroscope
fluoro-
Word Origin
1
a combining form with the meanings “fluorine,” “fluoride,” used in the formation of compound words:
fluorocarbon.
2
a combining form with the meaning “fluorescence,” used in the formation of compound words:
fluoroscopy.
Also, fluo-; especially before a vowel, fluor-.
Origin
< New Latin; see fluor, -o-
Related Words
- chlorofluoromethane
- dichlorodifluoromethane
- fluo-
- fluorochrome
- fluorography
- fluorometer
fluoro-→ fluor-1.
fluoro-
combining form
⇨ see fluor-
combining form
⇨ see fluor-
fluoro-
combining form
1.
- representing
FLUORINE 表示“氟（代）”。
2.
- representing
FLUORESCENCE 表示“荧光”。
1909 Jrnl. Chem. Soc. XCVI. ii. 297The author has determined the heats of formation of the following compounds... *Fluoroacetamide, 249·55 cal.
1958 Nature 28 June 1810/2 Fluoroacetamide is as effective as the more dangerous sodium fluoracetate as a systemic insecticide.
1964 New Statesman 20 Mar. 438/3 Last month the government banned the sale of fluoroacetamide as an insect control.
1890 Jrnl. Chem. Soc. LVIII. ii. 724This gas is *fluoroform, CHF3.
1950 N. V. Sidgwick Chem. Elements II. vii. 1130A guinea-pig put into a 50 per cent. air-fluoroform mixture..did not know that the gas was there.
1954 Fried & Sabo in Jrnl. Amer. Chem. Soc. LXXVI. 1455/29α-*Fluorohydrocortisone acetate..was obtained in about 50% yield.
Ibid. 1456/1Deacetylation of I with sodium methylate afforded 9α-fluorohydrocortisone. [ sc. 9α-fluorohydrocortisone acetate]
1970 W. Modell Drugs of Choice 1970–71 xxxii. 511All patients with Addison's disease now can be satisfactorily managed with oral therapy using 10 mg. of hydrocortisone 2 to 3 times a day, plus 0·1 mg. of 9-alpha-fluorohydrocortisone (fludrocortisone) a day or every other day.
1844 R. Hunt Res. Light 106It has been found that the fluate of soda has the property of quickening the sensibility of bromidated papers to a very remarkable extent; and from this quality a new process, which I would distinguish by the name of the *Fluorotype, results.
1955 H. & A. Gernsheim Hist. Photogr. iii. xi. 124Fluorotype derives its name from the fluoride of sodium used in preparing the paper... The exposure was only half a minute and the picture was developed with protosulphate of iron.
fluoro-
before vowels fluor-, comb. form of fluorine.
fluoro-
— see fluor-
— see fluor-
fluoro-fluor (before a vowel)
Prefix
- fluorine
- fluorescent