Meanings for words starting with O
- o---obligate anaerobe
- obligated---obstructive
- obstructive shock---ochotonidae
- ochre---odontoid process
- odontology---off-the-rack
- off-the-shelf---oil company
- oil conservation---old latin
- old line state---olfactory
- olfactory brain---ommatidium
- ommiad---once and for all
- once in a while---onetime
- ongoing---opec
- opel---operculate
- operculated---optic cup
- optic disc---orange tree
- orange yellow---order batoidei
- order batrachia---order jungermanniales
- order lagomorpha---order rhynchocephalia
- order rickettsiales---oregon larch
- oregon lily---originate
- originate in---orthodox church
- orthodox jew---oscitance
- oscitancy---oswald spengler
- oswald veblen---out of stock
- out of the blue---outnumber
- outpace---over the counter stock
- over the sea---overfly
- overfond---oversized
- overskirt---ownerless
- ownership---oyster agaric
- oyster bank---ozothamnus secundiflorus

