O
observe:
visually see, note
observation:
what one has seen or noted
occasional:
occurring at irregular intervals with a time
lapse necessary to suit the purpose
opinion:
a belief not based on certainty; what seems
to be true or probable for oneself
opposite:
placed in corresponding positions across an
intervening line or space (such as at opposite ends of a room); contrary or
radically different
optional:
you can elect or not to elect to choose
oriel
window: a window projecting outward, similar to a bay
window, however, an oriel window is supported by
brackets or a cantilever, as opposed to a bay window which is supported by the
foundation
OSB
orientated strand board; chip board; like
plywood except that the plies are chips of wood glued together (some may call
this Oregon strand board)
