English to English Dictionary

On-brand

Fitting or consistent with the established identity, values, or image of a brand, company, or individual persona.

One-horse town

A small, unexciting, and isolated town with very few people, businesses, or activities.

One-upmanship

The practice of continually trying to gain an advantage over or to outdo other people.

Opacity

The quality of being opaque; the inability of light to pass through something.

Opaque

Not transparent or translucent; impenetrable to light or not allowing light to pass through.

Open a Pandora's box

To perform an action that small or seemingly harmless in itself, but which unexpectedly generates a vast and uncontrollable cascade of severe problems and complications.

Open-Neighborhood

A set of points in a topological space that includes a point and all points sufficiently close to it.

Operational Control

The authority or power to manage and direct operations within an organization.

Operations Management

The administration of business practices to create the highest level of efficiency possible within an organization.

Operculum

A structure that serves as a lid or cover, particularly in biological contexts.

Ophtalmological

Relating to the branch of medicine that deals with the anatomy, functions, and diseases of the eye.

Ophthalmologist

A physician who specializes in the medical and surgical care of the eyes and visual system, preventing, diagnosing, and treating eye diseases and disorders.