σ (EN)

harf, ramz

harf “σ”

1. yunon alifbosining o'n sakkizinchi harfi, kichik sigma
   Roʻyxatdan oʻting misol jumlalarining tarjimalarini va har bir soʻzning bir tilli taʼriflarini koʻrish uchun.

   In Greek language classes, students learn that σ is the lowercase form of sigma.

ramz “σ”

1. (mathematika) statistikada standart og'ishni ifodalovchi belgi
   The statistician calculated σ to understand how the data varied from the mean.
2. (fizika) elektr o'tkazuvchanlikni ifodalovchi belgi
   The electrical conductivity σ increases with temperature in this material.
3. (fizika) kesim yuzasini ifodalovchi belgi
   The scattering cross-section σ is crucial in nuclear physics experiments.