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单词 ballotini
释义

ballotinin.

Brit. /ˌbaləˈtiːni/, U.S. /ˌbæləˈtini/
Forms: 1900s– ballotini, 1900s– ballottini.
Origin: A borrowing from Italian. Etymons: Italian ballottini, ballottino.
Etymology: < Italian ballottini, plural of ballottino small ball, pellet (apparently not recorded in dictionaries of Italian, but compare ballottina small ball, pellet (19th cent.; < ballotta ballot n.1 + -ina -ine suffix4)) < ballotta ballot n.1 + -ino -ine suffix4.
With plural agreement. Small particles or beads of glass used for a variety of industrial and scientific applications. Also attributive as ballotini beads.
ΘΚΠ
the world > space > relative position > arrangement or fact of being arranged > state of being gathered together > an assemblage or collection > [noun] > mass formed by collection of particles > round
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ballotini1951
1951 Biochimica et Biophysica Acta 6 535 Copper, Rowley and Dawson disintegrated Staph. aureus by shaking with ‘ballotini’ (minute glass beads).
1959 Times Rev. Industry Sept. 5/1 Fluid beds of heated sand or ballotini used as heating media for fabrics padded with dye.
1965 Guardian 31 May 5/2 [Road] markings may be..‘reflectionised’ with ballotini (minute glass beads).
1997 Jrnl. Animal Ecol. 66 869/2 The ballotini beads are inert but are radio-opaque and so show up in the digestive tract when the fish is subsequently X-rayed.
2003 Powder Technol. 130 50/1 Since spherical agglomerates are usually formed from sub 250 μm particles, glass ballottini of diameters in the range of 80–130 μm have been used.
This is a new entry (OED Third Edition, June 2008; most recently modified version published online December 2021).
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n.1951
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更新时间:2025/2/3 10:03:59