bifocal

/'bai'foukəl/

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The word "bifocal" is an adjective that describes something that has two different areas of focus. It is most commonly used when talking about eyeglasses, which are called bifocal eyeglasses. These glasses have two different lenses: one part helps you see things that are far away, and the other part helps you see things that are close up.

Usage Instructions:

• You use "bifocal" when you are talking about glasses or lenses that help with vision.
• It can also be used in other contexts where there are two distinct focal points.

Example:

• "My grandmother wears bifocal glasses so she can read her book and also see the TV clearly."

Advanced Usage:

• In a more technical or scientific context, "bifocal" can refer to instruments or devices that have two points of focus, such as certain types of microscopes or cameras.

Word Variants:

• Bifocals (noun): The actual glasses that have two different lenses.
• Bifocality (noun): The quality or state of having two focal points.

Different Meaning:

While "bifocal" primarily refers to eyeglasses, it can also describe anything that involves two different perspectives or focuses, such as in discussions or analyses.

Synonyms:

• Dual-focus
• Two-in-one (in a more general sense)

Idioms and Phrasal Verbs:

There are no specific idioms or phrasal verbs that directly incorporate the word "bifocal," but you might encounter phrases like: - "Seeing things from both sides" (which can relate to the idea of having a bifocal perspective).

Summary:

"Bifocal" is a useful word to describe a specific type of glasses or anything that involves two focal points.

Academic

Adjective

1. having two foci
   • bifocal eyeglasses