Ei

Ei

1. The exponential integral, a special function, defined as:

   ${\displaystyle Ei(x)=\int _{-\infty }^{x}{\frac {e^{t}}{t}}dt}$

From Old High German ei, from Proto-Germanic *ajją, from Proto-Indo-European *h₂ōwyóm. Compare Dutch ei, obsolete English ey, West Frisian aai, Danish æg.

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• IPA^(key): /aɪ̯/
• Rhymes: -aɪ̯

Ei n (genitive Eies or Eis, plural Eier, diminutive Eichen n or Eierchen n or Eilein n)

1. egg (all biological senses)

   Willst du dein Ei hart oder weich?

   Do you want your egg hard-boiled or soft-boiled?

   Das befruchtete Ei nistet sich in der Gebärmutter ein.

   The fertilised egg nidates in the uterus.

2. something egg-shaped
3. (informal, usually in the plural) testicle; ball (also figuratively)

   Mal sehen, ob ihr Eier habt!

   Let’s see if you guys have balls!

4. (colloquial, in the plural) bucks (money)

   Kost’ dreißig Eier, der Spaß.

   This thing costs thirty bucks.

5. (colloquial, usually vocative, mildly derogatory) clown; foolish bloke

   Da steht „ziehen“, du Ei.

   [The sign] says “pull”, you clown.

• Ei in Duden online

Ei n (plural Eia)

1. egg

• Eiajälet
• Eiaküak
• Eirunt
• Eiaschol
• Eiastock
• Eiawittet