Showing 4,901 to 5,000 of 7,893.
- ORBITALOf or relating to, or forming an orbit (such as the orbit of a moon, planet, or spacecraft).
- ORBITASObsolete form of orbit.
- ORBITYA bereavement by loss of parents or children; the state of being orbate; orbation.
- ORCAA sea mammal (Orcinus orca) related to dolphins and porpoises, commonly called the killer whale.
- ORCHARDA garden or an area of land for the cultivation of fruit or nut trees.
- ORCHILAny of several lichens, especially those of the genera Roccella and Lecanora.
- ORDAINTo prearrange unalterably.
- ORDINALIndicating position in a sequence.
- ORDINATEThe second of the two terms by which a point is referred to, in a system of fixed rectilinear coordinate (Cartesian coordinate) axes.
- ORDOA musical phrase constructed from one or more statements of one modal pattern and ending in a rest.
- ORGANICPertaining to or derived from living organisms.
- ORGANISTA musician who plays the organ.
- ORGANIZETo arrange in working order.
- ORGEATA sweet syrup made from sugar and almonds (or originally barley) and rose water or orange-flower water.
- ORIELA large polygonal recess in a building, such as a bay window, forming a protrusion on the outer wall.
- ORIFICEA mouth or aperture, such as of a tube, pipe, etc.; an opening.
- ORIGINThe beginning of something.
- ORIGINALRelating to the origin or beginning; preceding all others.
- ORIGINATETo cause (someone or something) to be; to bring (someone or something) into existence; to produce or initiate a person or thing.
- ORIOLEAny of various colourful passerine birds, New World orioles of the genus Icterus (family Icteridae) and Old World orioles of the family Oriolidae.
- ORISONA prayer.
- ORLEA bordure that runs around the outline of a shield without touching the edge.
- ORNATEElaborately ornamented, often to excess.
- ORPIMENTArsenic trisulphide, occurring naturally in crystals or massive deposits, formerly used as a dye or pigment.
- ORPINEAny of several temperate succulent plants of the family Crassulaceae, that have clusters of purple flowers, especially Hylotelephium telephium.
- ORTHOEPYThe study of pronunciation.
- ORTOLANA small European migratory bunting (Emberiza hortulana), once eaten whole as a delicacy.
- OSCILLATETo swing back and forth, especially if with a regular rhythm.
- OSCINEOf or pertaining to songbirds (suborder Passeri).
- OSCITANTyawning or gaping
- OSCULANTAdhering closely; applied to certain creeping animals, such as caterpillars.
- OSCULAROf or pertaining to the mouth.
- OSCULATETo kiss.
- OSCULATIONThe action of kissing.
- OSCULATORYA religious tablet, usually carrying a representation of Christ or the Virgin Mary, which is kissed by the priest during the Mass ("kiss of peace"); it is then passed to others at
- OSCULUMA small opening or orifice. One of the suckers on the head of a tapeworm. The main opening in a sponge from which water is expelled.
- OSMUNDAA fern of the genus Osmunda, especially the royal fern, Osmunda regalis.
- OSSATUREA skeletal framework; an underlying structure.
- OSSICLEA small bone (or bony structure), especially one of the three of the middle ear.
- OSSIFICCapable of producing bone; having the power to change cartilage or other tissue into bone.
- OSSIFRAGEGypaetus barbatus, the bearded vulture, the diet of which is almost exclusively bone marrow.
- OSSIFYTo transform (or cause to transform) from a softer animal substance into bone; particularly the processes of growth in humans and animals.
- OSSUARYA container, receptacle, or building, such as an urn or vault, for holding the bones of the dead.
- OSTIARYThe mouth of a river; an estuary.
- OSTIOLEA small hole or opening through which certain fungi release their mature spores.
- OSTIUMA small opening or orifice, as in a body organ or passage.
- OSTRACEANAny bivalve of the family Ostreidae; an oyster.
- OTIOSEHaving no effect.
- OTIOSITYThe state or quality of being otiose.
- OUGUIYAThe currency of Mauritania, divided into five khoums.
- OUSTTo expel; to remove.
- OUTRAGEAn excessively violent or vicious attack; an atrocity.
- OUTRANCEThe furthest degree or extremity, going beyond bounds or propriety.
- OVALBUMINA glycoprotein which is the primary constituent of egg white.
- OVARIOUSPertaining to or made up of eggs.
- OVARIUMAn ovary.
- OVARYA female reproductive organ, often paired, that produces ova in most animals, and in mammals, secretes the hormones estrogen and progesterone.
- OVATEShaped like an egg.
- OVATINGShaped like an egg.
- OVATIONA victory ceremony of less importance than a triumph.
- OVIDUCTA duct through which an ovum passes from an ovary to the uterus or to the exterior.
- OVIPARAoviparous organisms
- OVIPARITYThe condition of being oviparous.
- OVIPAROUSDepositing eggs that develop and hatch outside the body as a reproductive strategy.
- OVIPOSITTo lay eggs.
- OVISTSomeone who believes that the complete embryo is contained preformed within the ovum; a proponent of ovism.
- OVOIDShaped like an oval.
- OVULEThe structure in a plant that develops into a seed after fertilization; the megasporangium of a seed plant with its enclosing integuments.
- OVUMThe female gamete in animals; the egg cell.
- OYEZHear ye. Attend. (Called by public criers or in court usually three times to secure silence or attentiveness).
- PABULOUSnourishing
- PACABLEAble to be easily pacified.
- PACATIONpacifying, placation
- PACEA step. A step taken with the foot. The distance covered in a step (or sometimes two), either vaguely or according to various specific set measurements.
- PACIFYTo bring peace to (a place or situation), by ending (or suppressing) war, fighting, violence, anger or agitation.
- PACTAn agreement; a compact; a covenant.
- PADREA military clergyman.
- PADRONEA patron; a protector.
- PAELLAA savory Valencian dish made of rice, cooked in a frying pan with vegetables and meat or shellfish.
- PAENULAA kind of woollen cloak or mantle used by Romans, worn on journeys and in rainy weather.
- PAGANISMAny indigenous polytheistic religion.
- PAGEANTAn elaborate public display, especially a parade in historical or traditional costume.
- PAGINATETo number the pages of (a book or other document); to foliate.
- PAINTA substance that is applied as a liquid or paste, and dries into a solid coating that protects or adds colour to an object or surface to which it has been applied.
- PAINTUREThe art of painting.
- PAIRTwo alike or identical things taken together; often followed by of.
- PALACEOfficial residence of a head of state or other dignitary, especially in a monarchical or imperial governmental system.
- PALADINA heroic champion, especially a knight.
- PALATEThe roof of the mouth, separating the cavities of the mouth and nose in vertebrates.
- PALATINEHaving local authority and possessing royal privileges that elsewhere belongs only to a sovereign. Subject to palatine authority.
- PALAVERA village council meeting.
- PALEAThe interior chaff or husk of grasses.
- PALEACEOUSchaffy; resembling or consisting of paleae, or chaff
- PALISADEA long, strong stake, one end of which is set firmly in the ground, and the other sharpened.
- PALLETA bed of loose straw.
- PALLIATETo relieve the symptoms of; to ameliorate.
- PALLIDAppearing weak, pale, or wan.
- PALLIUMA large cloak worn by Greek philosophers and teachers.
- PALLORUnnatural paleness, especially as a sign of sickness or distress.
- PALMAROf or pertaining to the palm of the hand or comparable appendage.