English to English Dictionary

Ophthalmology

The branch of medicine concerned with the study and treatment of disorders and diseases of the eye.

Ophthalmoscope

An instrument with a light and mirror system used for examining the interior structures of the eye, especially the retina.

Opportunistic

Taking advantage of opportunities as they arise, often with a connotation of being exploitative.

Opposing Counsel

A lawyer representing a party in a legal case that is in opposition to another party's lawyer.

Oppositionism

The practice or philosophy of opposing or resisting a particular authority or ideology.

Oppressive Regime

A government or political system that exercises harsh and authoritarian control over its citizens.

Oppressor

A person or entity that oppresses others, often through unjust or cruel use of power.

Optimality

The state or condition of being optimal; the best or most effective condition.

Optimum

The most favorable condition, degree, or amount for obtaining a given result.

Opulence

Great wealth or luxuriousness.

Oracle

A person or agency considered to provide wise and insightful counsel or prophetic predictions.

Organic Development

A process of growth or development that occurs naturally and is characterized by gradual change and evolution.