Webster's Revised Unabridged Dictionary (1913, 100,000 entries)Use the search box below if you want to search in Websters only, use the box at the right to search all of Enyclo. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z | Webster > Letter O > Page 10 of 63. « Previous ¦2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 ¦ Next » Octile Oc"tile noun [ Confer French octil , adjective See Octant .] Same as Octant , 2. [ R.]
Octillion Oc·til"lion noun [ Latin octo eight + -illion , as in English million : confer French octillion .] According to the French method of numeration (which method is followed also in the United States) the number expressed by a unit with twenty-seven ciphers annexed. According to the English method, the number expressed by a unit with forty-eight ciphers annexed. See Numeration .
Octo-, Octa- Oc"to-, Oc"ta- [ Latin octo eight, Greek ..., with a combining form .... Confer Eight .] A combining form meaning eight ; as in octo decimal, octo decimal, octo locular.
Octoate Oc"to·ate noun (Chemistry) A salt of an octoic acid; a caprylate.
October Oc·to"ber noun [ Latin , the eighth month of the primitive Roman year, which began in March, from octo eight: confer French Octobre . See Octave .] The country gentlemen had a posset or drink they called October .Emerson. Octocera Oc·toc"e·ra noun plural [ New Latin ] Octocerata.
Octocerata Oc`to·cer"a·ta noun plural [ New Latin , from Greek ... eight + ..., a horn.] (Zoology) A suborder of Cephalopoda including Octopus, Argonauta, and allied genera, having eight arms around the head; -- called also Octopoda .
Octochord Oc"to·chord noun (Mus.) See Octachord .
Octodecimo Oc`todec"i·mo adjective [ Latin octodecim eighteen. See Octavo , Decimal , and -mo .] Having eighteen leaves to a sheet; as, an octodecimo form, book, leaf, size, etc.
Octodecimo Oc`to·dec"i·mo noun ; plural Octodentate Oc`to·den"tate adjective [ Octo- + dentate .] Having eight teeth.
Octodont Oc"to·dont adjective [ Octo- + Greek ..., ....] (Zoology) Of or pertaining to the Octodontidæ , a family of rodents which includes the coypu, and many other South American species.
Octoedrical Oc`to·ed"ric·al adjective See Octahedral . [ Obsolete] Sir T. Browne.
Octofid Oc"to·fid adjective [ Octo- + root of Latin findere to split: confer French octofide .] (Botany) Cleft or separated into eight segments, as a calyx.
Octogamy Oc·tog"a·my noun [ Octo- + Greek ... marriage.] A marrying eight times. [ R.] Chaucer.
Octogenarian Oc`to·ge·na"ri·an noun A person eighty years, or more, of age.
Octogenary Oc·tog"e·na·ry adjective [ Latin octogenarrus , from octogeni eighty each, octoginta eighty, from octo eight. See Eight , Eighty .] Of eighty years of age. "Being then octogenary ." Aubrey.
Octogild Oc"to·gild noun [ Octo- + Anglo-Saxon gild payment.] (Anglo-Saxon Law) A pecuniary compensation for an injury, of eight times the value of the thing.
Octogonal Oc·tog"o·nal adjective See Octagonal . [ Obsolete]
Octogynia Oc`to·gyn"i·a noun plural [ New Latin , from Greek ... eight + ... a woman, female.] (Botany) A Linnaean order of plants having eight pistils.
Octogynian, Octogynous Oc`to·gyn"i·an, Oc·tog"y·nous adjective (Botany) Having eight pistils; octagynous.
Octoic Oc·to"ic adjective [ See Octo- .] (Chemistry) Pertaining to, derived from, or resembling, octane; -- used specifically, to designate any one of a group of acids, the most important of which is called caprylic acid .
Octolocular Oc`to·loc"u·lar adjective [ Octo- + locular .] (Botany) Having eight cells for seeds.
Octonaphthene Oc`to·naph"thene noun [ Octo- + naphthene .] (Chemistry) A colorless liquid hydrocarbon of the octylene series, occurring in Caucasian petroleum.
Octonary Oc`to·na·ry adjective [ Latin octonarius , from octoni eight each, from octo eight.] Of or pertaining to the number eight. Dr. H. More.
Octonocular Oc`to·noc"u·lar adjective [ Latin octoni eight each + English ocular .] Having eight eyes. Derham.
Octopede Oc`to·pede noun [ Octo- + Latin pes , pedis , foot.] (Zoology) An animal having eight feet, as a spider.
Octopetalous Oc`to·pet"al·ous adjective [ Octo- + petal .] (Botany) Having eight petals or flower leaves.
Octopod Oc"to·pod noun [ Greek ... eight- footed; ... eight + Octopoda Oc·top"o·da noun plural [ New Latin ] (Zoology) Octopodia Oc`to·po"di·a noun plural [ New Latin , from Greek ... eight + ... a little foot.] (Zoology) Same as Octocerata .
Octopus Oc"to·pus noun [ New Latin See Octopod .] (Zoology) A genus of eight-armed cephalopods, including numerous species, some of them of large size. See Devilfish ,
Octoradiated Oc`to·ra"·di·a`ted adjective [ Octo- + radiated .] Having eight rays.
Octoroon Oc`to·roon" noun [ Latin octo eight + -roon , as in quadroon .] The offspring of a quadroon and a white person; a mestee.
Octospermous Oc`to·sper"mous adjective [ Octo- + Cr. ... seed.] (Botany) Containing eight seeds.
Octostichous Oc·tos"ti·chous adjective [ Octo- + Greek ... a row.] (Botany) In eight vertical ranks, as leaves on a stem.
Octostyle Oc"to·style adjective [ Octo- + Greek ... a pillar: confer French octostyle .] (Architecture) Having eight columns in the front; -- said of a temple or portico. The Parthenon is octostyle , but most large Greek temples are hexastele . See Hexastyle . -- noun An octostyle portico or temple.
Octosyllabic, Octosyllabical Oc`to·syl·lab"ic, Oc`to·syl·lab"ic·al adjective [ Latin octosyllabus . See Octo- , and Syllable .] Consisting of or containing eight syllables.
Octosyllable Oc"to·syl`la·ble adjective Octosyllabic.
Octosyllable Oc"to·syl`la·ble noun A word of eight syllables.
Octoyl Oc"to·yl noun [ Octo ic + -yl .] (Chemistry) A hypothetical radical (C 8 H 15 O), regarded as the essential residue of octoic acid.
Octroi Oc`troi" noun [ French] Octuor Oc"tu·or noun [ From Latin octo eight + -uor , as in Latin quatuor .] (Mus.) See Octet . [ R.]
Octuple Oc"tu·ple adjective [ Latin octuplus ; confer Greek ...: confer French octuple .] Eightfold.
Octyl Oc"tyl noun [ Oct ane + - yl .] (Chemistry) A hypothetical hydrocarbon radical regarded as an essential residue of octane, and as entering into its derivatives; as, octyl alcohol.
Octylene Oc"tyl·ene noun [ Oct ane + eth ylene .] (Chemistry) Any one of a series of metameric hydrocarbons (C 8 H 16 ) of the ethylene series. In general they are combustible, colorless liquids.
Octylic Oc·tyl"ic adjective (Chemistry) Pertaining to, derived from, or containing, octyl; as, octylic ether.
Ocular Oc"u·lar adjective [ Latin ocularis , ocularius , from oculus the eye: confer French oculaire . See Eye , and confer Antler , Inveigle .] Thomas was an ocular witness of Christ's death.South. Ocular Oc"u·lar noun (Opt.) The eyepiece of an optical instrument, as of a telescope or microscope.
Ocularly Oc"u·lar·ly adverb By the eye, or by actual sight.
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