optimize
— Verb
– English
～ act as an optimist and take a sunny view of the world
optimum
— Noun
– English
～ most favorable conditions or greatest degree or amount possible under given circumstances
optimum
— Adjective
– English
～ most desirable possible under a restriction expressed or implied; "an optimum return on capital"; "optimal concentration of a drug"
option
— Noun
– English
～ the act of choosing or selecting; "your choice of colors was unfortunate"; "you can take your pick"
option
— Noun
– English
～ the right to buy or sell property at an agreed price; the right is purchased and if it is not exercised by a stated date the money is forfeited
option
— Noun
– English
～ one of a number of things from which only one can be chosen; "what option did I have?"; "there is no other alternative"; "my only choice is to refuse"
optional
— Adjective
– English
～ possible but not necessary; left to personal choice
optionally
— Adverb
– English
～ in an optional manner; "this rule is applied optionally"
optometrist
— Noun
– English
～ a person skilled in testing for defects of vision in order to prescribe corrective glasses
optometry
— Noun
– English
～ the practice of an optometrist
opulence
— Noun
– English
～ wealth as evidenced by sumptuous living
opulent
— Adjective
– English
～ ostentatiously rich and superior in quality; "a princely sum"; "gilded dining rooms"; "these architecture magazines are full of the lush interiors of the rich and famous"
opulently
— Adverb
– English
～ in a sumptuous and opulent manner; "this government building is sumptuously appointed"
Opuntia cholla
— Noun
– English
～ arborescent cacti having very spiny cylindrical stem segments; southwestern United States and Mexico
Opuntia lindheimeri
— Noun
– English
～ cactus having yellow flowers and purple fruits
Opuntia
— Noun
– English
～ large genus of cactuses native to America: prickly pears
Opuntiales
— Noun
– English
～ coextensive with the family Cactaceae: cactuses
opus
— Noun
– English
～ a musical work that has been created; "the composition is written in four movements"
OPV
— Noun
– English
～ an oral vaccine (containing live but weakened poliovirus) that is given to provide immunity to poliomyelitis
or
— Noun
– English
～ a state in northwestern United States on the Pacific