Oligofrenopedagogika, sohai defektologiya ast, ki masalahoi tarbiya va talim, rohhoi islohi norasoii inkishofi bachahoi zaifaql, inchunin masalahoi barqarorkunii salomatii onhoro meomuzad. Dar avvali asri 19 dar inkishofi tib va pedagogika hamchun raviyai muayyane ba vujud omad. Sistemai tarbiya va talimi bachahoi zaifaqlro bori avvvl dukhtur va peda­gogi fransavi E. Segen …

Olati Arifmetiki (OA), yake az olati asosii hisobmoshini raqa­mii elektronist (HRE), ki dar on bevosita amalhoi arifmetiki va mantiqi bar adadho ijro karda meshavand. Ijroi har guna amali arif­metiki yo mantiqi dar Olati Arifmetiki aslan az ijroi pay dar pai yak qator amalhoi elementari yo mikroamalho [muqarrar namudani «sifri»-i razryadhoi …

Oligosen (az oligo va yunoni kainos — nav), zamoni (qismi) oligosen, zamoni okhiri paleo­gen. Istilohi «Oligosen»-ro bori avval soli 1855 geologi nemis G. Beyrikh ba ilm jori kardaast. Tahnishasthoi zamoni Oligosenro ba du, bazan ba se tabaqa (yarus) taqsim mekunand va dar yak tabaqa nomi mahalli dorad.

Oldrij (Aldridge) Jeyms (tavallud 10. 7. 1916, Uayt-Hils, Viktoriya, Avstraliya), navisanda va khodimi jamiyatii anglis. Dar kolleji savdoi Melburn khondaast. Soli 1938 ba Angliya kuchid. Faoliyati jurna­listi, ki ba on vasila ba bisyor fronthoi Jangi duyumi jahon (1939 —45) raftaast, ba Oldrij chun maktabi tajribai hayot va mahorat khizmat kard. …

Oliy Svoet, dehaest dar Soveti qishloqi Zaynabobodi payoni Lenini Respublikai Sovetii Sotsialistii Tojikiston. Territoriyai kolkhozi «Leningrad». Az deha to markazi Soveti qishloq 10 kilometr, to rayon 3 kilometr; rohash asfaltpush. Aholiash 1200 nafar. (1981), tojikon va uabekho. Maktabi ibtidoi, magazin dorad. Sohai asosip khojagi pakhtakorist. Zaminho ba vositai kanali Kuktosh …

Oldovay, O l d u v a y (Oldoway, Olduvai), daraest dar shimoli Tanzaniya, Z6 kilometr shimol sharqtari kuli Eyasi voqe gardidaast. Solhoi 30—60 asri 20 onro bostonshinos va antropologkhoi anglis L.Liki va M. Liki tadqiq namudand. Dar Oldovay andaruni tahshini kul boqimondai osori madaniyati davrai paleolit va yake az …

Olimi Samarqandi Mavlono Muhammad (soli tavallud va vafot nomalum), shoiri asri 15 fors-tojik. Juziyoti tarjumai holash malum nest. Navoi dar «Majolis-un-nafois» uro yake az olimon va adiboni mashhuru nomdor va dar sheru shoiri khunarmand nomidaast. Olimi Samarqandi dar Samarkand bo Ulugbek hamsabaq va hamsudbat budaast va dar badshoi ilmivu adabi …

Oleg (vafot 912), knyazi Rusi Qa­dim. Bino ba malumoti solnomaho, kheshi Ryuriki nimafsonavi buda, badi vafoti u knyazi Novgorod shu­daast. Oleg soli 882 ba zamini krivichho yurish karda, shahri markazii onho — Smolenskro zabt namud. Oleg  shahri Lyubich, bad Kievro ishgol kar­da, ba poytakhti davlati khud tabdil dod. Solhoi 883—885 …

Olimii Dorobgardi Mavlono Mirzosuhrob (soli tavallud nomalum — vafot 1567, Sheroz), shoiri fors-tojik. Bino ba ishorai muallifi tazkirai «Ruzi ravshan», Olimii Dorogardi pas az kasbi kamol baroi takmili donish ba Sheroz rafta, to okhiri umr dar on jo zindagoni kar­daast. Olimii Dorobgardi gazalro shurangez mesurudaast. Beshtari gazaliyotash —oshiqona. Ashori parokandai …

Olenyok, daryoest dar RASS YOqut., qismi boloobash dar kishvari Krasnoyari RSFSR. Tulash 2292 kilometr, masohati havzaash 220 hazor kilometr2. Az pushtakuhi Vilyuy cap shuda, badi az qismi shimoli pahnkuhi Sibiri Miyonayu pastii Sibiri Shimoli guzashtan ba khaliji Olenyoki bahri Laptevho merezad va dar rezishgohash delta (masohat 475 kilometr2, tulash 20 …