bi- - definizione. Che cos'è bi-
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Cosa (chi) è bi- - definizione

PREFICES DERIVED FROM NUMERALS OR OCCASIONALLY OTHER NUMBERS
Mono-; Penta-; Tetra-; Greek numerical prefixes; Hexa-; Bi-; Octa-; Triskaideka-; Icosa-; Dodeca-; Latin numerical prefixes; Uni-; Octo-; Oct-; Hepta-; Nona (prefix); Nona-; Di-; Chilia-; Mill-; Quinque-; Septua-; Ennea-; Tri-; Vigen-; Tria-; Quint-; Semi-; Sesqui-; Twi-; Numerical prefixes; Hepta; Dodeca; Icosa; Hexa; Quadri-; Pent-; Quadr(i)-; Numeric prefix; Number prefix; Numeral prefixes; Pent; Number prefixes; Numerical prefix; Quin-; Quinquagen-; List of numeral prefixes; List of number prefixes

bi-         
1.
Bi- is used at the beginning of nouns and adjectives that have 'two' as part of their meaning.
...a bi-cultural society.
PREFIX
2.
Bi- is used to form adjectives and adverbs indicating that something happens twice in a period of time or happens once in two periods of time that follow each other.
Students meet biweekly to discuss their experiences.
...a bimonthly magazine.
PREFIX
Bi-         
·- In most branches of science bi- in composition denotes two, twice, or doubly; as, bidentate, two-toothed; biternate, doubly ternate, ·etc.
II. Bi- ·- In the composition of chemical names bi- denotes two atoms, parts, or equivalents of that constituent to the name of which it is prefixed, to one of the other component, or that such constituent is present in double the ordinary proportion; as, bichromate, bisulphide. Be- and di- are often used interchangeably.
bi-         
[b??]
(also bin- before a vowel)
¦ combining form two; having two: biathlon.
?occurring twice in every one or once in every two: bicentennial.
?lasting for two: biennial.
?Chemistry (in names of compounds) containing two atoms or groups of a specified kind: biphenyl.
?Chemistry denoting an acid salt: bicarbonate.
Origin
from L., 'doubly, having two'; related to Gk di- 'two'.
Usage
The meaning of bimonthly (and similar words such as biyearly) is ambiguous. Such words can either mean 'occurring or produced twice a month' or 'occurring or produced every two months'. The only way to avoid this ambiguity is to use alternative expressions like every two months and twice a month.

Wikipedia

Numeral prefix

Numeral or number prefixes are prefixes derived from numerals or occasionally other numbers. In English and many other languages, they are used to coin numerous series of words. For example:

  • unicycle, bicycle, tricycle (1-cycle, 2-cycle, 3-cycle)
  • dyad, triad (2 parts, 3 parts)
  • biped, quadruped (2 legs, 4 legs)
  • September, October, November, December (month 7, month 8, month 9, month 10)
  • decimal, hexadecimal (base-10, base-16)
  • septuagenarian, octogenarian (70-79 years old, 80-89 years old)
  • centipede, millipede (around 100 legs, around 1000 legs)

In many European languages there are two principal systems, taken from Latin and Greek, each with several subsystems; in addition, Sanskrit occupies a marginal position. There is also an international set of metric prefixes, which are used in the metric system and which for the most part are either distorted from the forms below or not based on actual number words.

Esempi dal corpus di testo per bi-
1. On the same day, PM Dung inspected work at the construction site of the enlarged Uong Bi thermal–power project in Uong Bi township, Quang Ninh province.
2. This time, the start of bi–ocular conjunctivitis.
3. According to Tüzmen, Iraq owes in excess of $1 bi...
4. The bi–weekly meeting framework was devised by U.S.
5. Speaking to Reuters on the sidelines of a bi–monthly meeting of central ba...