Focus

Definition

Focus refers to the center of interest or attention. It can also describe the act of concentrating on something or adjusting a lens or optical system to produce a clear image.

Parts of Speech

• Noun
• Verb

Pronunciation

American English

• IPA Pronunciation: /ˈfoʊkəs/
• Respelling: FOH-kus

British English

• IPA Pronunciation: /ˈfəʊkəs/
• Respelling: FOH-kus

Etymology

The word "focus" originates from the Latin "focus," meaning "hearth" or "fireplace," used metaphorically to denote a central point. It entered English in the 17th century in the context of optics, referring to the point where rays converge.

Derivatives

• Focused (adjective)
• Focusing (verb/noun)
• Refocus (verb)
• Focusable (adjective)
• Out-of-focus (adjective)

Synonyms

• Concentration
• Emphasis
• Center

Antonyms

• Distraction
• Blur
• Neglect

Usage

The word "focus" is used in contexts ranging from mental concentration to technical adjustments. For example, "He shifted his focus to completing the project," or "The camera lens is out of focus."

Related Terms

• Concentration: The action or power of focusing one's attention.
• Alignment: The proper positioning of components or attention.
• Clarity: The quality of being clear or precise.

Detailed Definitions

Noun

• The center of interest or activity: Refers to the main subject of attention.
  • Example: "The environment was the main focus of the meeting."
• The point where rays converge in optics: Describes the technical aspect of achieving clarity in an image.
  • Example: "The microscope’s focus needed adjustment."
• A state of clear mental concentration: Refers to sustained attention on a task or subject.
  • Example: "She maintained her focus during the exam."

Verb

• To concentrate or direct attention on something: Describes the act of emphasizing or prioritizing.
  • Example: "He focused on completing the assignment."
• To adjust a lens or system to produce a clear image: Refers to aligning an optical system for clarity.
  • Example: "She focused the camera lens on the subject."