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π (EN)
barua, ishara

barua “π”

π, pi
  1. herufi ya 16 ya alfabeti ya Kigiriki
    The teacher wrote a π on the blackboard.

ishara “π”

π
  1. (hisabati) ni namba ya kudumu ya hisabati pi, takriban 3.1416, sawa na uwiano wa mduara wa duara na kipenyo chake.
    In our geometry lesson, we calculated the circumference of circles using π.
  2. (fizikia) aina ya chembe ya mesoni inayoitwa pion
    Physicists observed the decay of the π meson during the experiment.
  3. (hisabati) ishara inayotumika kuashiria kundi la homotopi katika topolojia ya algebra.
    The topologist explained how π₁ measures the fundamental group of a space.
  4. (hisabati) kazi ya kuhesabu nambari za kwanza, ambayo inatoa idadi ya nambari za kwanza zilizo chini au sawa na nambari fulani.
    Mathematicians study the behavior of π(n), the prime-counting function.
  5. (alama za sauti) alama inayowakilisha konsonanti ya mlio wa midomo yenye sauti katika alfabeti fulani za kifoneti
    In phonetic transcription, π is sometimes used to represent a labial click sound.