View source for Ei

{{also|Appendix:Variations of "ei"}}
==Translingual==
{{wikipedia|Exponential integral}}

===Noun===
{{head|mul|symbol}}

# The exponential integral, a [[special function]], defined as:
#: <math>\operatorname{Ei}(x)=\int^x_{-\infty} \frac{e^t}{t} dt</math>

{{C|mul|Mathematics}}

==Angami==

===Letter===
{{head|njm|letters}}

# {{Latn-def|njm|letter|10}}

====See also====
{{list:Latin script letters/njm}}

==German==

===Etymology===
{{inh+|de|gmh|ei}} and {{inh|de|goh|ei}}, from {{inh|de|gmw-pro|*aij}}, from {{inh|de|gem-pro|*ajją}}, from {{inh|de|ine-pro|*h₂ōwyóm}}.

Cognate with {{cog|yi|איי}}, {{cog|nl|ei}}, {{cog|fy|aai}}, {{cog|en|ey}} and {{m|en|egg}}, {{cog|da|æg}}.

===Pronunciation===
* {{IPA|de|/aɪ̯/}}
* {{audio|de|De-Ei.ogg}}
* {{rhymes|de|aɪ̯|s=1}}

===Noun===
{{de-noun|n,(e)s,er|dim=chen,erchen,lein}}

# [[egg]] {{gloss|all biological senses}}
#: {{ux|de|Willst du dein '''Ei''' hart oder weich?|Do you want your '''egg''' hard-boiled or soft-boiled?}}
#: {{ux|de|Das befruchtete '''Ei''' nistet sich in der Gebärmutter ein.|The fertilised '''egg''' nidates in the uterus.}}
# something egg-shaped
# {{lb|de|informal|usually|in the plural}} [[testicle]]; [[ball]] {{qualifier|also figuratively}}
#: {{ux|de|Mal sehen, ob ihr '''Eier''' habt!|Let’s see if you guys have '''balls'''!}}
# {{lb|de|colloquial|in the plural}} [[buck]]s {{gloss|money}}
#: {{ux|de|Kost’ dreißig '''Eier''', der Spaß.|This thing costs thirty '''bucks'''.}}
# {{lb|de|colloquial|usually vocative|mildly|_|pejorative}} [[clown]]; [[foolish]] [[bloke]]
#: {{ux|de|Da steht „ziehen“, du '''Ei'''.|[The sign] says “pull”, you '''clown'''.}}

====Declension====
{{de-ndecl|n,(e)s,er}}

====Derived terms====
{{col4|de
|eiförmig
|Eieruhr
|Eigelb|Eiklar|Eiweiß
|Landei
|'n Appel und 'n Ei
|Osterei,Oster-Ei
|Rührei
|Spiegelei
|Straußenei,Straussenei
|Tee-Ei,Teeei
|Weichei
}}

===Further reading===
* {{R:DWDS}}
* {{R:UniLeipzig}}
* {{R:Duden}}
* {{pedia|lang=de}}
* {{R:Kluge 1891}}

{{C|de|Eggs}}

==Plautdietsch==

===Etymology===
From {{inh|pdt|gml|ei}}, from {{inh|pdt|osx|ei}}, from {{inh|pdt|gem-pro|*ajją}}, from {{inh|pdt|ine-pro|*h₂ōwyóm}}. Compare {{cog|nl|ei}}, obsolete {{cog|en|ey}}, {{cog|fy|aai}}, {{cog|da|æg}}, {{cog|de|Ei}}.

===Noun===
{{head|pdt|noun|g=n|plural|Eia}}

# [[egg]]

====Derived terms====
* {{l|pdt|Eiajälet}}
* {{l|pdt|Eiaküak}}
* {{l|pdt|Eirunt}}
* {{l|pdt|Eiaschol}}
* {{l|pdt|Eiastock}}
* {{l|pdt|Eiawittet}}

{{cln|pdt|1-syllable words}}

==Tlingit==

===Pronunciation===
*{{IPA|tli|/eː/}}

===Letter===
{{head|tli|letter|lower case|ei}}

# {{lb|tli|US}} {{Latn-def|tli|letter|indef=a}}
#: {{syn|tli|È}}

====See also====
{{list:Latin script letters/tli}}