planar

C2+ Topic:Transportation

US /ˈpleɪnɚ/ UK /ˈpleɪnə/ See IPA manual

adj

Meanings

1

adj
lying in or relating to a single plane; flat

The chip's planar surface was etched with circuits.

Thesaurus

Synonyms

1 adj · lying in or relating to a... flat leveltwo-dimensionaleven plane

Opposites

curved three-dimensional solid

Word family

Derived forms planarity

Related forms plane plain

Etymology

From Latin planaris ('flat, in a plane'), from planum ('flat surface'), from planus ('flat, level').

planaris Latin planus Latin

View etymology graph ->

Topics

Transportation Word Formation & Derivatives

# planar

**Type:** Word
**Level:** C2+
**Part of speech:** adj
**IPA (US):** ˈpleɪnɚ
**IPA (UK):** ˈpleɪnə

## Meanings
1. lying in or relating to a single plane; flat

## Examples
- The chip's planar surface was etched with circuits.

## Synonyms
- flat
- level
- two-dimensional
- even
- plane

## Antonyms
- curved
- three-dimensional
- solid

## Derived Forms
- planarity

## Related Forms
- plane
- plain

## Roots and Affixes
- Root: planaris
- Root: planus

## Etymology
From Latin planaris ('flat, in a plane'), from planum ('flat surface'), from planus ('flat, level').

## AI Etymology
Planar comes from Latin planaris ('flat, in a plane'), from planum ('flat surface'), from planus ('flat, level'). The etymological trail includes Latin planaris and Latin planus. As an adjective, planar means lying in or relating to a single plane; flat. The same family is visible in derived forms such as planarity and related forms such as plane and plain.

## Topics
- Transportation
- Word Formation & Derivatives

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