Found 1,857 definitions starting with OR:

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order ictodosauriaorder in councilorder insectivoraorder insessores
order isoetalesorder isopodaorder isopteraorder isospondyli
order juglandalesorder jungermannial…order lagomorphaorder laminariales
order lechanoralesorder lepidodendral…order lepidopteraorder lichenales
order lilialesorder lobataorder loricataorder lycoperdales
order lycopodialesorder lyginopterida…order madreporariaorder mallophaga
order malvalesorder mantophasmato…order mapperorder marattiales
order marchantialesorder marsupialiaorder mecopteraorder moniliales
order monotremataorder mucoralesorder musalesorder myaceae
order mycelia steri…order mycoplasmatal…order mycrosporidiaorder myricales
order myrtalesorder mysidaceaorder myxobacteralesorder myxobacteria
order myxobacterial…order myxosporidiaorder naiadalesorder neuroptera
order nidularialesorder notostracaorder nudibranchiaorder octopoda
order odonataorder oedogonialesorder of australiaorder of battle
order of businessorder of friars min…order of knighthoodorder of magnitude
order of merit of t…order of monte verg…order of operationsorder of our lady o…
order of paymentorder of precedenceorder of saint bene…order of succession
order of the dayorder of the medjid…order of the purple…order oleales
order ophioglossalesorder opilionesorder opuntialesorder orchidales
order ornithischiaorder orthopteraorder ostariophysiorder ostracodermi
order outorder palmalesorder pandanalesorder papaverales
order paperorder parietalesorder passeriformesorder pectinibranch…
order pediculatiorder pedipalpiorder pelecaniformesorder pelycosauria
order perciformesorder percomorphiorder perissodactylaorder peronosporales
order pezizalesorder phalangidaorder phallalesorder phasmatodea
order phasmidaorder pholidotaorder picariaeorder piciformes
order pickingorder piperalesorder plantaginalesorder platyctenea
order plecopteraorder plectognathiorder pleuronectifo…order plumbaginales
order podicipedifor…order podicipitifor…order polemonialesorder polygonales
order polymastiginaorder polypodialesorder primatesorder primulales

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