ocellus
1: an eye having a single lens [syn: {simple eye}, {stemma}] 2: an eyelike marking (as on the wings of some butterflies); usually a spot of color inside a ring of another color [syn: {eyespot}] [also:...
ocelot
1: nocturnal wildcat of Central America and South America having a dark-spotted buff-brown coat [syn: {panther cat}, {Felis pardalis}]
ocher
1: of a moderate orange-yellow color [syn: {ochre}] n 1: a moderate yellow-orange to orange color [syn: {ochre}] 2: any of various earths containing silica and alumina and ferric oxide; used as a pigm...
Ochna
1: type genus of Ochnaceae; evergreen trees and shrubs of Old World tropics [syn: {genus Ochna}]
ochna family
1: family of tropical evergreen trees and shrubs with thick shining parallel-veined leaves [syn: {Ochnaceae}, {family Ochnaceae}]
Ochna serrulata
1: shrub with narrow-elliptic glossy evergreen leaves and yellow flowers with leathery petaloid sepals [syn: {bird's-eye bush}]
Ochnaceae
1: family of tropical evergreen trees and shrubs with thick shining parallel-veined leaves [syn: {family Ochnaceae}, {ochna family}]
Ochoa
1: United States biochemist (born in Spain) who studied the biological synthesis of nucleic acids (born in 1905) [syn: {Severo Ochoa}]
Ochotona
1: type genus of the Ochotonidae [syn: {genus Ochotona}]
Ochotona collaris
1: similar to little chief hare and may be same species [syn: {collared pika}]
Ochotonidae
1: pikas and extinct forms [syn: {family Ochotonidae}]
ochre
1: of a moderate orange-yellow color [syn: {ocher}] n 1: any of various earths containing silica and alumina and ferric oxide; used as a pigment [syn: {ocher}] 2: a moderate yellow-orange to orange co...
Ochroma
1: 1 species: balsa [syn: {genus Ochroma}]
Ochroma lagopus
1: forest tree of lowland Central America having a strong very light wood; used for making floats and rafts and in crafts [syn: {balsa}]
ochronosis
1: an accumulation of dark pigment in cartilage and other connective tissue; usually a symptom of alkaptonuria or phenol poisoning
Ochs
1: United States newspaper publisher (1858-1935) [syn: {Adolph Simon Ochs}]
Ocimum
1: basil [syn: {genus Ocimum}]
Ocimum basilicum
1: annual or perennial of tropical Asia having spikes of small white flowers and aromatic leave; one of the most important culinary herbs; used in salads, casseroles, sauces and some liqueurs [syn: {c...
Ockham
1: English scholastic philosopher and assumed author of Occam's Razor (1285-1349) [syn: {Occam}, {William of Occam}, {William of Ockham}]
Ockham's Razor
1: the principle that entities should not be multiplied needlessly; the simplest of two competing theories is to be preferred [syn: {Occam's Razor}, {principle of parsimony}, {law of parsimony}]
oconee bells
1: plant of southeastern United States having solitary white funnel-shaped flowers flushed with pink and large glossy green leaves that turn bronze-red in fall [syn: {Shortia galacifolia}]
ocotillo
1: desert shrub of southwestern United States and Mexico having slender naked spiny branches that after the rainy season put forth foliage and clusters of red flowers [syn: {coachwhip}, {Jacob's staff...
Oct
1: the month following September and preceding November [syn: {October}]
octad
1: the cardinal number that is the sum of seven and one [syn: {eight}, {8}, {VIII}, {eighter}, {eighter from Decatur}, {ogdoad}, {octonary}, {octet}]
octadecanoic acid
1: a waxy saturated fatty acid; occurs widely as a glyceride in animal and vegetable fats [syn: {stearic acid}]
octagonal
1: of or relating to or shaped like an octagon [syn: {octangular}]
octahedron
1: any polyhedron having eight plane faces [also: {octahedra} (pl)]
octal
1: of or pertaining to a number system having 8 as its base; "an octal digit"
octal notation
1: any mathematical notation that uses 8 different characters (usually the digits 0 to 7)
octal number system
1: a positional system of numeration that uses octal digits and a radix of 8 [syn: {octal numeration system}]
octal numeration system
1: a positional system of numeration that uses octal digits and a radix of 8 [syn: {octal number system}]
octameter
1: a verse line having eight metrical feet
octane
1: any isomeric saturated hydrocarbon found in petroleum and used as a fuel and solvent
octane number
1: a measure of the antiknock properties of gasoline [syn: {octane rating}]
octane rating
1: a measure of the antiknock properties of gasoline [syn: {octane number}]
octangular
1: of or relating to or shaped like an octagon [syn: {octagonal}]
Octans
1: the constellation that includes the southern celestial pole
octant
1: a measuring instrument for measuring angles to a celestial body; similar to a sextant but with 45 degree calibration
octave
1: a feast day and the seven days following it 2: a musical interval of eight tones [syn: {musical octave}] 3: a rhythmic group of eight lines of verse
Octavian
1: Roman statesman who established the Roman Empire and became emperor in 27 BC; defeated Mark Antony and Cleopatra in 31 BC at Actium (63 BC - AD 14) [syn: {Augustus}, {Gaius Octavianus}, {Gaius Jul...
octavo
1: the size of a book whose pages are made by folding a sheet of paper three times to form eight leaves [syn: {eightvo}, {8vo}]
octet
1: the cardinal number that is the sum of seven and one [syn: {eight}, {8}, {VIII}, {eighter}, {eighter from Decatur}, {octad}, {ogdoad}, {octonary}] 2: eight performers or singers who perform togethe...
octette
1: eight performers or singers who perform together [syn: {octet}] 2: a set of eight similar things considered as a unit [syn: {octet}] 3: eight people considered as a unit [syn: {octet}, {eightsome}]...
October
1: the month following September and preceding November [syn: {Oct}]
October 12
1: a legal holiday commemorating the discovery of America by Christopher Columbus [syn: {Columbus Day}, {Discovery Day}]
October 24
1: a day for celebrating the founding of the United Nations [syn: {United Nations Day}]
October Revolution
1: the coup d'etat by the Bolsheviks under Lenin in November 1917 that led to a period of civil war which ended in victory for the Bolsheviks in 1922 [syn: {Russian Revolution}]
Octoberfest
1: a strong lager made originally in Germany for the Oktoberfest celebration; sweet and copper-colored [syn: {Oktoberfest}]
octogenarian
1: being from 80 to 89 years old n : someone whose age is in the eighties
octonary
1: the cardinal number that is the sum of seven and one [syn: {eight}, {8}, {VIII}, {eighter}, {eighter from Decatur}, {octad}, {ogdoad}, {octet}]
octopod
1: eight-armed cephalopod lacking an internal shell
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Octopoda
1: octopuses and paper nautilus [syn: {order Octopoda}]
Octopodidae
1: a family of Octopoda [syn: {family Octopodidae}]
octopus
1: tentacles of octopus prepared as food 2: bottom-living cephalopod having a soft oval body with eight long tentacles [syn: {devilfish}] [also: {octopi} (pl)]
Octoroon
1: an offspring of a Quadroon and a White parent; a person who is one-eighth Black
octosyllabic
1: having or consisting of line of eight syllables; "octosyllabic verse" 2: having or characterized by or consisting of eight syllables
octosyllable
1: a verse line having eight syllables or a poem of octosyllabic lines
octroi
1: a tax on various goods brought into a town
octuple
1: having eight units or components [syn: {eightfold}]
ocular
1: of or relating to or resembling the eye; "ocular muscles"; "an ocular organ"; "ocular diseases"; "the optic (or optical) axis of the eye"; "an ocular spot is a pigmented organ or part believed to b...
ocular muscle
1: one of the small muscles of the eye that serve to rotate the eyeball [syn: {eye muscle}]
oculist
1: a person skilled in testing for defects of vision in order to prescribe corrective glasses [syn: {optometrist}] 2: a medical doctor specializing in the treatment of diseases of the eye [syn: {ophth...
oculomotor
1: supplies extrinsic muscles of the eye [syn: {oculomotor nerve}, {nervus oculomotorius}, {third cranial nerve}]
oculomotor nerve
1: supplies extrinsic muscles of the eye [syn: {oculomotor}, {nervus oculomotorius}, {third cranial nerve}]
oculopharyngeal muscular dystrophy
1: a form of muscular dystrophy that usually begins between early adulthood and middle age and first affects muscles of the eyelid and throat; progresses slowly with swallowing problems common as the ...
oculus
1: the organ of sight [syn: {eye}, {optic}] [also: {oculi} (pl)]
Ocyurus
1: snappers [syn: {genus Ocyurus}]
Ocyurus chrysurus
1: superior food fish of the tropical Atlantic and Caribbean with broad yellow stripe along the sides and on the tail [syn: {yellowtail}, {yellowtail snapper}]
OD
1: a doctor's degree in optometry [syn: {Doctor of Optometry}] 2: the right eye [syn: {oculus dexter}]
odalisque
1: a woman who cohabits with an important man [syn: {concubine}, {courtesan}, {doxy}, {paramour}]
odd
1: not divisible by two [ant: {even}] 2: not easily explained; "it is odd that his name is never mentioned" 3: an indefinite quantity more than that specified; "invited 30-odd guests" 4: beyond or dev...
odd fellow
1: someone regarded as eccentric or crazy and standing out from a group [syn: {kook}, {odd fish}, {queer bird}, {queer duck}, {odd man out}]
odd fish
1: someone regarded as eccentric or crazy and standing out from a group [syn: {kook}, {odd fellow}, {queer bird}, {queer duck}, {odd man out}]
Odd Hassel
1: Norwegian chemist noted for his research on organic molecules (1897-1981) [syn: {Hassel}]
odd man out
1: someone regarded as eccentric or crazy and standing out from a group [syn: {kook}, {odd fellow}, {odd fish}, {queer bird}, {queer duck}]
odd-even check
1: a system of checking for errors in computer functioning [syn: {parity check}, {redundant check}]
odd-job
1: not regular or skilled; "found only odd-job employment" [syn: {odd-job(a)}]
odd-job man
1: a man skilled in various odd jobs and other small tasks [syn: {handyman}, {jack of all trades}]
odd-leg caliper
1: caliper having the points on its legs both curve in the same direction
odd-pinnate
1: a leaf shape; pinnate with a single leaflet at the apex [syn: {imparipinnate}]
odd-toed ungulate
1: placental mammals having hooves with an odd number of toes on each foot [syn: {perissodactyl}, {perissodactyl mammal}] [ant: {even-toed ungulate}]
oddball
1: a person with an unusual or odd personality [syn: {eccentric}, {eccentric person}, {flake}, {geek}]
oddity
1: eccentricity that is not easily explained [syn: {oddness}] 2: a strange attitude or habit [syn: {queerness}, {quirk}, {quirkiness}, {crotchet}] 3: something unusual -- perhaps worthy of collecting ...
oddly
1: in a manner differing from the usual or expected; "had a curiously husky voice"; "he's behaving rather peculiarly" [syn: {curiously}, {peculiarly}] 2: in a strange manner; "a queerly inscribed shee...
oddly enough
1: curious (or funny or interesting or odd or strange) though it may seem; "curiously enough, he didn't recognize his old friend"; "interestingly enough, America is now dependent on Africa for a large...
oddment
1: a piece of cloth that is left over after the rest has been used or sold [syn: {end}, {remainder}, {remnant}] 2: something unusual -- perhaps worthy of collecting [syn: {curio}, {curiosity}, {oddity...
oddments
1: a motley assortment of things [syn: {odds and ends}, {melange}, {farrago}, {ragbag}, {hodgepodge}, {mishmash}, {mingle-mangle}, {hotchpotch}, {omnium-gatherum}]
oddness
1: eccentricity that is not easily explained [syn: {oddity}]
odds
1: the probability of a specified outcome [syn: {likelihood}, {likeliness}] [ant: {unlikelihood}, {unlikelihood}] 2: the ratio by which one better's wager is greater than that of another; "he offered ...
odds and ends
1: a motley assortment of things [syn: {oddments}, {melange}, {farrago}, {ragbag}, {hodgepodge}, {mishmash}, {mingle-mangle}, {hotchpotch}, {omnium-gatherum}]
odds-maker
1: someone who sets the betting odds based on calculations of the outcome of a contest (especially a horse race) [syn: {handicapper}]
odds-on
1: having a better than even chance of success; "the odds-on favorite"
ode
1: a lyric poem with complex stanza forms
Oder
1: a European river; flows into the Baltic Sea [syn: {Oder River}]
Oder River
1: a European river; flows into the Baltic Sea [syn: {Oder}]
Odesa
1: a port city of south central Ukraine on an arm of the Black Sea [syn: {Odessa}]
Odessa
1: a port city of south central Ukraine on an arm of the Black Sea [syn: {Odesa}] 2: a city in western Texas
Odets
1: United States playwright (1906-1963) [syn: {Clifford Odets}]
Odin
1: (Norse mythology) ruler of the Aesir; supreme god of war and poetry and knowledge and wisdom (for which he gave an eye) and husband of Frigg; identified with the Teutonic Wotan
odious
1: unequivocally detestable; "abominable treatment of prisoners"; "detestable vices"; "execrable crimes"; "consequences odious to those you govern"- Edmund Burke [syn: {abominable}, {detestable}, {exe...
odiously
1: in an offensive and hateful manner; "I don't know anyone who could have behaved so abominably" [syn: {detestably}, {repulsively}, {abominably}]
odiousness
1: the quality of being offensive [syn: {offensiveness}, {distastefulness}]
odium
1: state of disgrace resulting from detestable behavior 2: hate coupled with disgust [syn: {abhorrence}, {abomination}, {detestation}, {execration}, {loathing}]
Odo of Lagery
1: pope who called for the First Crusade (1042-1099) [syn: {Urban II}]
Odoacer
1: Germanic barbarian leader who ended the western Roman Empire in 476 and became the first barbarian ruler of Italy (434-493) [syn: {Odovacar}, {Odovakar}]
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