opaka
opaque

opakecoj
opacities

opakeco
opacity

opalo
opal

opciaro
option group

opcibutono
option button

opcio
choice, option

opcioj por diagramaj efektoj
chart effect options

ope
at a time, collectively, together

operacia enketado
operations research

operacianto
operator

operacia
operational

operacia semantiko
operational semantics

operacia tablo
operating table

operaciato
operand

operaciendo
operand

operaciesploro
operations research

operaciilo
operator

operaciindika parto
operating part

operacii
to operate

operacio
operation

operaci-reto
operations network

operacireto
operations network

operacisimbolo
operator (sign)

operaciuma
system

operaciumkolapso
system crash

operaciumkraŝo
system crash

operaciumo
operating system

operaco
operation

operacosistemo
operating system

operando
argument, operand

opera
operatic

operati
to operate

operatoro
operator

operejo
opera house

opereto
operetta

opero
opera

opiaĵo
opiate

opinienketo
opinion survey

opinii
to account, deem, opine, think, believe, have an opinion

opinio
opinion, sentiment

opiniosondo
opinion poll

opinisondisto
pollster

opinisondi
to poll

opinisondo
(opinion) poll

opio
opium

oponado
opposition

oponanto
opponent

oponii
to opine

oponi
to oppose

oponulo
opponent

oportuna
convenient, handy, opportune

oportunaĵo
convenience

oportunaĵoj
things of convenience

oportune
advantageously, comfortably, conveniently, usefully, opportunely, handy

oportuneco
convenience

oportunismo
opportunism

oportunisto
opportunist

oportuno
convenience, ease, handiness

opo
tuple

opozicii
to be in opposition, oppose

opozicio
opposition

opoziciulo
anti, member of opposition

opresi
to oppress, persecute

opreso
oppression

optativo
optative

optika fibro
fiber optics, optical fiber

optika karaktro-rekono
optical character recognition

optika lokalizilo
optical radar, optical ranger, LIDAR (light detection and ranging)

optika
optical

optika signorekono
optical character recognition

optikisto
optician

optiko
optics

optima
optimal

optimigi
to optimize

optimisma
optimistic

optimismo
optimism

optimisto
optimist

optimuma
optimal

optimumiganto
optimizer, tweaker

optimumigita flikado
optimized patching

optimumigita HTML
optimized HTML

optimumigita
optimized

optimumigita paletro
optimized palette

optimumigi
to optimize, tweak

optimumigo de datumbazo
database grooming

optimumigo de kapabloj
optimizing on capacity

optimumigo de serĉilo
search engine optimization

optimumigo
optimization

optimumo
optimum

opulo
Guelder rose

opuntio
prickly pear

opuza biblioteko
shared library

opuza dosierujo en loka reto
shared network folder

opuza dosierujo
share, shared folder (local)

opuza
shared (folder)

opuzigi
to share (folder)