Ilm

Oyatulkursi (az arabi oyat—chorpoya baroi nishastan, sandali), yake az oyathoi Quronro guyand, ki az rui etiqodi dini balogardon budaast. Masalan, agar kas onro pesh az khob khonad, guyo tarsu vahm daf meshudaast.

Oftalmo (az yunoni ophtalmos — chashm), qismi kalimahoi murakkab, ki ba chashm, bemorihoi chashm (maslan, oftalmologiya) mansuband.

«Oftobi olamtob» — tazkira, talifi Muhammadsodiqkhoni Akhtar — shoir va nasrnavisi Hinduston (asri 19). Dar fehristhoi kitobkhonahoi dunyo yagon nuskhai «Oftobi olamtob» tavsif nagardidaast. Muvofiqi malumoti Muzaffar Husayni Sabo (tazkirai «Ruzi ravshan»), ki qismi ziyodi in tazkiraro dar asari khud ovardaast, talifi on soli 1823 ogoz shuda soli 1854 anjom …

«Otashkada» tazkiraest,ki Lutfalibeki Ozar bayni solhoi 1664—82 talif karda ast. Azbaski kitob «Otashkada» unvon giriftaast, dar taqsimoti faslu bobhoi on niz az kalimoti mansub ba otash istifoda shudaast. «Otashkada» az du majmara iborat ast. Majmarai avval dar zikri shoironi mutaqaddim buda, ba yak shula va se akhgar judo meshavad. Shula …

«Ofarinnoma» asari Abushakuri Balkhi, ki soli 944—45 nazm shudaast. «Ofarinnoma» dar adabiyoti klassikii fors-tojik yake az avvalin masnavihoi akhloqist dar vazni utakorib. To zamoni mo az in masnavi 300 bayta parokanda rasidaast. ki az manba va sarchashmahoi adabi jamovari shudaand. Dar «Ofarinnoma» andeshahovu aqoidi Abushakuri Balkhi oid ba khirad, ilmu …

Parokanishi mikrozarraho, tagyiri samti mikrozarraho hangomi ba yagon muhit yo zarra (yo khud ba gurukhi zarraho) nazdik shudani onho.  Parokanishi zarraho va atomhoi modda khangolmi barkhurd dar fizika i atom mufassal omukhta meshavad.Hangomi barkhurdi yadroi atomho asosan zarrahoi tarkibi yadro (proton, neytron) parokanda meshavand. Ba zarrai zaryadnok dar .masofhoi khurd …

Parokanishi rushnoi, ba samthoi imkonpazir pareshidani dastai rushnoii dar muhit pahnshavandaro guyand. ki dar natijai tasiri mutaqobili on bo modda ba amal meoyad. Parokanishi rushnoi hamchun afkanishoti gayrikhususii modda zohir meshavad. Afkanishoti gayrikhususi natijai lappishhoi majburii elektronho dar atomi muhiti paro- kandakunanda meboshad, ki in lappishho ae tasiri shuoi aftanda …

Osmos (yunoni osmos — takoy, fishor), diffuziya modda (odatan moddai halkunanda)-ro az membrana (parda)-i nimguzaronandae guyand, ki mahlul va halkunandai toza yo du mahluli konsentrasiyaashon gunogunro az ham judo mekunad. Membranai nimguzaronanda saddest, ki molekulahoi khurdi halkunandaro az khud guzaronida, molekulahoi kalontarini moddai halshudaro doshta memonad. Faqat dar surati diffuziyai …

«Osor-ul-bilod va akhbor-ul-ibod» asari tarikhiyu jugrofii muarrikhi fors- tojik Zakariyoi Qazvini, ki soli 1275 ba zaboni arabi talif shudaast. «Osor-ul-bilod va akhbor-ul-ibod» az sarsukhan, se muqaddimai nazari va haft bob iborat ast. Muqaddimai yakum az sababhoi ba vujud omadani jamiyati insoni, sokhti jamiyat, istehsolot va paydo shuda- ni shahrho, poytakhho, …

Ossillyator (az lotini oscillo — melappam), sistemai fizikai lappandaro guyand. Sistemam mekhanikie, ki dar nazdikii nuqtai muvozinat melappad, Ossillyatori klassiki nom giriftaast. Agar energiyai potensialii Ossillyator ba kvadrati tamoil az vaziyati muvozinat (in holat dar mavridhoi lappishhoi khurd joy do­rad) mutanosib boshad, onro Ossillyatori mavzuni (garmoniki) menomand. Mafhumi Ossillyatorro dar …