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单词 boro-
释义

boro-comb. form

Stress is usually determined by a subsequent element and vowels may be reduced accordingly.
Origin: Formed within English, by clipping or shortening. Etymon: boron n.
Etymology: Shortened < boron n.; compare -o- connective.
Chemistry.
Combining form of boron n.
boroˈfluoride n.
Brit. /ˌbɔːrə(ʊ)ˈflʊərʌɪd/
,
/ˌbɔːrə(ʊ)ˈflɔːrʌɪd/
,
U.S. /ˌbɔroʊˈflʊˌraɪd/
,
/ˌbɔroʊˈflɔˌraɪd/
a compound of fluoride of boron with a metallic fluoride.
ΚΠ
1866 H. E. Roscoe Lessons Elem. Chem. xiv. 130 Boron forms a borofluoride.
boroˈtungstate n.
Brit. /ˌbɔːrə(ʊ)ˈtʌŋsteɪt/
,
/ˌbɔːrə(ʊ)ˈtʌŋstət/
,
U.S. /ˌbɔroʊˈtəŋˌsteɪt/
a salt formed by the combination of boric and tungstic acids with the same base.
ΚΠ
1881 Nature 6 Jan. 236/2 Borotungstates of sodium.
boroˈglyceride n.
Brit. /ˌbɔːrə(ʊ)ˈɡlɪsərʌɪd/
,
U.S. /ˌbɔroʊˈɡlɪsəˌraɪd/
a compound of boric acid with glycerine, used as an antiseptic; also in Mineralogy, boroˈcalcite n. native borate of calcium.
ΚΠ
1882 Athenæum 8 Apr. 448/2 Prof. Barff described his new antiseptic compound boro-glycerid (C3H5Bo3).
This entry has not yet been fully updated (first published 1887; most recently modified version published online December 2021).
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更新时间:2024/12/24 11:00:57