bin-
pref.（前缀）
pref.（前缀）
- Variant of bi- 1
bi-的变体1
bin-
prefix
a variant, esp before a vowel, of bi-1 ⇒
binocular
bi-1 or (sometimes before a vowel) bin-
combining form
two; having two
⇒
bifocal
occurring every two; lasting for two
⇒
biennial
on both sides, surfaces, directions, etc
⇒
bilateral
occurring twice during
⇒
biweekly
denoting an organic compound containing two identical cyclic hydrocarbon systems
⇒
biphenyl
(rare in technical usage) indicating an acid salt of a dibasic acid
⇒
sodium bicarbonate
(not in technical usage) equivalent of di-1 (sense 2a)
Origin
from Latin, from bis twicebin-
Word Origin
1
a combining form meaning “two,” “two at a time,” used in the formation of compound words:
binary; binocular.
Compare bi-1.
Origin
combining form of Latin bīnī two each, by twos
Related Words
- binaural
- binal
- binate
- bination
- binocle
- binocular
bin-a form of bi-, sometimes used before a vowel, as in binaural, binocular.
[Latin bīnī two apiece]bin-
prefix
binaural
prefix
ETYMOLOGY Middle English, from Late Latin, from Latin bini two by two; akin to Old English twinn twofold — more at twin
: bi- Ibinaural
bin-
prefix
- variant form of
BI- before a vowel (as in binaural).同BI- （用于元音前, 如binaural）。
1808 Wollaston in Phil. Trans. XCVIII. 100The common binoxalate, or salt of sorrel.
1810 Henry Elem. Chem. (1826) II. 107Binacetate of copper.
c1860 Faraday ForcesNat. iii. 3. 195 note,Binoxide of nitrogen.
c1865 J. Wylde in Circ. Sc. I. 375/1The proto-, and biniodide.
☞ bi-
bin-
combining form
Etymology: Middle English, from Late Latin, from Latin bini two by two; akin to Old English twīn twine — more at twine
1. : two : two by two : two at a time
< binary >
< binate >
< binaural >
2. chemistry : bi- 4
< binoxalate >
< binoxide >
— in some words of which the last constituent begins with a vowel; compare bi-
1.
< binary >
< binate >
< binaural >
2. chemistry
< binoxalate >
< binoxide >
— in some words of which the last constituent begins with a vowel; compare bi-