Showing 16,901 to 17,000 of 94,588.
- OORALIAlternative form of wourali.
- OORIALSplural of oorial
- OOSIERArchaic form of oozy.
- OOSPHERESplural of oosphere
- OOST
- OOSYArchaic form of oozy.
- OOTA
- OPAC
- OPACOUSNot shining or illuminated; dark.
- OPAS
- OPEL
- OPENCASTOf or pertaining to strip mining, in which material is removed from a surface that has been exposed
- OPENERSplural of opener
- OPENSOURCE
- OPENWORKAny of several forms of metalwork or needlework having decorative openings.
- OPERANTSplural of operant
- OPERATEDOperated by the means specified e.g. a battery-operated toy.
- OPERATIONALISE
- OPERATIONALISED
- OPERATIONALLYIn an operational manner; in accordance with an operation.
- OPERATIONISMThe doctrine that the meaning of a term consists of the operation(s) performed in defining it
- OPERATISEAlternative form of operatize.
- OPERATISEDsimple past and past participle of operatise
- OPERATIVITYoperativeness
- OPERATIZESthird-person singular simple present indicative of operatize
- OPERCULESplural of opercule
- OPERCULUMSplural of operculum
- OPERETTAA lighter version of opera with a frivolous story and spoken dialogue.
- OPEROSELYIn an operose manner.
- OPETH
- OPHIOLATERSplural of ophiolater
- OPHIR
- OPHIURAS
- OPHIURIDArchaic form of ophiuroid.
- OPHIURIDSplural of ophiurid
- OPIC
- OPIE
- OPIES
- OPINGpresent participle and gerund of ope
- OPLE
- OPOSITE
- OPPIGNERATEAlternative form of oppignorate. [with 1622-1857]
- OPPILANT
- OPPILATESthird-person singular simple present indicative of oppilate
- OPPOA friend, associate or colleague.
- OPPOSplural of oppo
- OPPOSABLESusceptible to being opposed or resisted.
- OPPOSALopposition
- OPPUGNERSomeone who oppugns; an opponent.
- OPRAH
- OPRY
- OPSOMANIAA longing for a particular special food.
- OPSONIFIESthird-person singular simple present indicative of opsonify
- OPSONIZEDsimple past and past participle of opsonize
- OPTA
- OPTANTA person who lives in a region undergoing a change of sovereignty and thus may choose between retaining their old citizenship or opting for the citizenship of the new sovereignty.
- OPTATIVEExpressing a wish or a choice.
- OPTI
- OPTIMALISEDsimple past and past participle of optimalise
- OPTIMIZESthird-person singular simple present indicative of optimize
- OPTIN
- OPTIONALITYThe value of additional optional investment opportunities available only after having made an initial investment.
- OPTIONALLYIn an optional manner; not mandatorily.
- OPTIONEEThe purchaser of a financial option.
- OPTIONEESplural of optionee
- OPTOMETRIESThe art and science of vision and eye care.
- OPULUS
- OPUSESplural of opus
- ORADLocated towards the oral opening (the mouth).
- ORAGIOUSstormy
- ORALLYBy mouth.
- ORAN
- ORANGERcomparative form of orange: more orange
- ORANGIERcomparative form of orangey: more orangey
- ORANIA
- ORANTSplural of orant
- ORATORSplural of orator
- ORBICULARCircular or spherical in shape; round.
- ORBICULARISA muscle surrounding an opening.
- ORBINGpresent participle and gerund of orb
- ORBITAObsolete form of orbit.
- ORBITALLYBy means of or in relation to orbit
- ORBITASObsolete form of orbit.
- ORBITYA bereavement by loss of parents or children; the state of being orbate; orbation.
- ORCADIAN
- ORCHARDA garden or an area of land for the cultivation of fruit or nut trees.
- ORCHATObsolete form of orchard.
- ORCHATSplural of orchat
- ORCHELAlternative spelling of orchil.
- ORCHESTRINAorchestrion
- ORCHIDACEOUSOf or pertaining to orchids.
- ORCHILSplural of orchil
- ORCHITISESplural of orchitis
- ORCINThe organic compound 3,5-dihydroxytoluene, found in many lichens and synthesizable from toluene.
- ORCINOLA natural phenolic organic compound that occurs in many species of lichen, used in the production of orcein and as a reagent in some chemical tests for pentoses
- ORCINSplural of orcin
- ORDEM
- ORDERArrangement, disposition, or sequence.
- ORDINA
- ORDINARILYIn accordance with normal custom or routine; as a matter of established occurrence.