🇬🇧English to English Lexicon

English to English Dictionary

Search any English word to get exact English definitions, pronunciations, and contextual examples.

Words Starting with "O"

Ophtalmological
C1adjective
English Meaning:

Ophtalmological

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

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Ophthalmologist
C1noun
English Meaning:

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.

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Ophthalmology
C1noun
English Meaning:

Ophthalmology

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

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Ophthalmoscope
C1noun
English Meaning:

Ophthalmoscope

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

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Opportunistic
C1adjective
English Meaning:

Opportunistic

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

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Opposing Counsel
C1noun
English Meaning:

Opposing Counsel

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

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Oppositionism
C1noun
English Meaning:

Oppositionism

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

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Oppressive Regime
C1noun
English Meaning:

Oppressive Regime

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

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Oppressor
C1noun
English Meaning:

Oppressor

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

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Optimality
C1noun
English Meaning:

Optimality

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

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Optimum
C1noun
English Meaning:

Optimum

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

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Opulence
C1noun
English Meaning:

Opulence

Great wealth or luxuriousness.

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