Таджикистан – Энциклопедия на таджикском языке КИТОБАМ

Peridotit (az frans. peridot — peridot yo olivin), jinsi kuhii intruzivii ultraasosi, ki goliban az olivin (70—30%) va piroksenho (30—70%) tarkib yoftaast. Az mineralhoi duyumdaraja magnetit, il­menit, pirrotin, khromit, shpinel, bechoda, bazan platina va mineralhoi nikeldor dorad. Peridotit jinsi tirarang buda, aksar sabz yo khokistarrangi sabztob ast. Dar natijai prosesshoi …

Perikardit (az peri… va kardio —dil), gazaki khaltachai dil (perikard). Perikarditi odam du khel mesha­vad: siroyati va gayrisiroyati. Perikarditi siroyatiro kokkho, virusho, mikobakteriyahoi sil vagayra. meangezand. Perikarditi siroyati vobasta ba namudi angezanda tarbodi, sifilisi, fasodi va gayra meshavad. Perikarditi gayrisiroya­ti Perikardite meboshad, ki hangomi ure­miya, infarkti miokard, jarrohii dil va …

Perimetr (yun. rerimetron — davra, az rerimetrio — atrofro chen mekunam), darozii konturi sarbast. In istilohro beshtar baroi ifodai hosili jami darozii hamai tarafhoi sekunja va bisyorkunja istifoda mebarand.

Periodonit (az peri… va yun. odontos — dandon), gazaki pardai resha va boftahoi atrofi dandon. Asosan badi kariesi dandon paydo me­shavad. Ammo az takroran zarb khurdani dandon (masalan, az rui odat gazidani angusht, qalam, mekh, bo dan­don kandani rishta va gayra) niz ba vujud meoyad. Periodontit shadid va muzmin meshavad. …

Periskop (az yun. reriskopeo — ba atrof menitaram), asbobi optikiest baroi mushohidai tank, kishtii zeriobi va gayra az daruni panohgoh (okon, zaminkand va gayra.). Bo yorii aksari Periskopho kunjhoi ufuqi va amudi dar mahal chen va masofai ob­ekt muayyan karda meshavad. Sokht va tavsifi optikii Periskophoro vobasta ba tainot, chop …