operation |
the act or process of operating or functioning. [5 definitions] |
operational |
being used or capable of being used; functional. [2 definitions] |
operationalize |
to put into operation; make operational. |
operations research |
the systematic mathematical or scientific analysis of an operation, policy, or process to improve its effectiveness or efficiency. |
operative |
one who is employed in a particular kind of work, esp. in industry. [6 definitions] |
operator |
one who controls functions, operations, or activities, as of machines or businesses. [4 definitions] |
operatorless |
combined form of operator. |
operculum |
in biology, an organ or organ part that serves as a lid, flap, or cover. |
operetta |
a short light, usu. humorous opera, often with dialogue that is spoken as well as sung. |
ophidian |
designating the biological suborder that comprises snakes. [2 definitions] |
ophiolatry |
the attribution of divine power to snakes; worship of snakes. |
ophiology |
the branch of zoology that deals with snakes. |
ophthalmia |
inflammation of one or more parts of the eye, esp. the conjunctiva. |
ophthalmic |
of or concerning the eye. |
ophthalmo- |
eye. |
ophthalmologist |
a doctor who specializes in the study and treatment of eye diseases. |
ophthalmology |
the medical study of the eye, its diseases, and their treatments. |
ophthalmoscope |
an instrument for examining the retina and the interior of the eyeball. |
-opia |
a condition or defect of vision or of the eye. |
opiate |
any of a number of drugs containing or derived from opium that induces calmness, stupor, or sleep, or relieves pain. [7 definitions] |
opine |
to present or believe as one's own opinion. [2 definitions] |