Nakhs (ar. — khala), alomati bemoriest, ki onro mariz chun ba uzvi khud khalida shudani suzan yo sikhi tez his mekunad; bazan on muttasil va davomnok buda, goho muddate da- vom mekunadu orom megardad.

Nakhchir, nakhjir, buzi kuhi, buzi shakhgard, ohu (Cap­ra (Ibex) sibirica), hayvoni vahshii juftsumest az jinsi buz. Dar RSS Tojikiston yak zernamudi Nakhchir (S. s. alaiana) malum ast. Nakhchir kalonjussa buda, rangash ashhabi burtob yo siyohtob, du pahlu va gardanash khol-khol, vaznash az 40—60 killogramm (modanakhchir) to 100—130 killogramm (narnakhchir), shokhash …

Nakhustdahonho (Protostomia), guruhi hayvonhoi bemukhra, ki pahnkirmho(Plathelminthes), nemertinho (Nemertini), halqakirmho (Annelides), narmbadanho (Mollusca), bandpoyho (Arthropoda) va gayraroro darbar megirand. Inkishofi Nakhustdandonho chunin ast: dar joi dahoni nakhustin (blastopora) yo dar qismi peshi on suro- khii dahon va dar okhiri tana surokhii pusht ba vuchud meoyad.

«Nakhchirgon»  shikor, shikorgoh), 1) ohangi marosimii qadimist. Yake az ohanghoi sigonai Borbadi Marvi. 2) Shubai sozi dar «Hashtmaqom». 3) Gushai sozi dar «Duvozdahmaqom», ki dar shubahoi «Nahovand» va «Humoyun» amal dosht.

Nakhutak (Astragalus), jinsi rastanihoi yak yo bisyorsolai alafi va buttai; mansubi lubiyoiho. Bargi toqaparshakl va guli mayda dorad. 2000 namudi on asosan dar mintaqahoi khushki Nimkurai shimoli duchor meoyad. Dar SSSR ziyoda az 900 namudash malum buda, beshtar dar Osiyoi Miyona (taqriban 600 namu­dash) va Kavkaz meruyad. Dar Tojikiston 270 …

Naftalin (az lot. naphtha — neft) S|0Nv, karbogidridi aromati. Kristallhoyash berang, bui khos dorad; t gudozish 80,3° S, t jush. 218° Selsiya. Zahrnok, zichiash 1,1517 g/sm! (22° S). Dar spirt, efir, benzol nagz, ammo dar ob bad hal meshavad. Naftalinro az zifti angishtsang va karbogidridhoi neft hosil mekunand. Az Naftalin …

Nafy Umar (soli tavallud nomalum — vafot. 27. 6. 1634, Istambul), shoiri turk. Dar Urzurum tahsili ilm kardaast. Dar vasfi sulton Ahmadi 1 va Sulton Usmon qasidaho dorad. Dar davrai hukmronii Murodi IV (1623—40) mavqe paydo mekunad. Muallifi majmuahoi ashori hajvii «Tiri takdir» buda, dar on makhsusan namoyandagoni tabaqai ruho- …

Nakhi pakhta, nakhest, ki punbadonaro pushondaast; hujayrai darozruyai epidermisi pust (daroziash 20—50 millimetr), ki asosan az sellyuloza iborat ast. Dar yak poyai rastani 4— 15 khazor nakh inkishof meyobad. Shakli Nakhi pakhta tasmai jilodori pechoni safed yo dar baze navho zardtob, sabztob va qahvarang ast. Narkhi pakhta 1/3 hissai massai …

Nakhi sintezi yak nav nakhhoi khimiyaviro guyand, ki az polimerhoi sintezi istehsol karda meshavand. Nigared niz Nakhhoi khimiyavy.

Nakhhoi tabii, n a kh h o i bo­fandagi, nakhhoi darozu mustahkam va qaishi borik, ki az rastani, mineral va hayvonot hosil meku­nand; ashyoest baroi istehsoli ka- loba va baze molhoi gayri mato. Nakhhoi tabiiro az zagir, katon, pakhta, jut, kanab, pashmi hayvonot, pilla va mineral (asbest) tayyor mekunand. Az …