homocentric pencil of rays

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1. One in which all rays converge or diverge from a single point. 2. One in which more than one beam of light share the same pathway. Example: in an ophthalmoscope the illumination and observation paths are shared.

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light visible spectrum			homicide Homicide by Fright Homicide/Suicide Cluster homidium hominal physiology homing homing pigeon Hominid Hominidae Hominin hominy Homo Homo Antecessor Homo Economicus Model Homo Ergaster Homo Floresiensis Homo Georgicus Homo Heidelbergensis Homo sapiens Homo Sapiens Idaltu homo- homobiotics homobiotin homoblastic homocarnosine homocentric pencil of rays homochronous inheritance homocitrulline homocitrullinuria homocladic homocladic anastomosis homocyclic homocysteine homocysteine test homocysteinuria homocystine homocystinemia homocystinuria homocytotropic homocytotropic antibody homodimer homodont homodromous homodynamical structures homoe(o)- homoeo- homoeroticism homogamete homogametic homogamy homogenate			homo trium literarum Homo universalis Homo universalis homo- homo- homo- homo- Homo-economicus HOMO-n Homo-oligomer Homo-oligomer Homo-oligomer Homo-Oligomeric Flavin-Containing Cys Decarboxylase Homo-Vanillic Acid HOMO/LUMO homoallele Homoallelism Homoallylic Hydroxy Fatty Acid Esters Homobasidiomycetes Homobasidiomycetidae Homobatrachotoxin homobiotics homobiotin homoblastic homoblastic homobront homocarnosine Homocategoric homocentric homocentric homocentric pencil of rays Homocentrism Homocentrism homocercal homocercal homocercal fin homocercal fin Homocercy Homocerebrin Homochiral Homochirality Homochitto National Forest homochlamydeous homochlamydeous homochromatic homochromatism Homochromous homochromy homochronous inheritance homocitrulline homocitrullinuria Homocitrullinuria, Hyperornithinemia, Hyperammonemia homocladic homocladic anastomosis homocladic anastomosis homocladic anastomosis homocline Homocoprophagia Homocoprophagia homocyclic homocyclic

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