VocabDictionary

polar

/ˈpoʊ.lər/intermediate Level

English Meaning & Definitions

1.adjective

Relating to a molecule or chemical bond in which the electrons are shared unequally, resulting in a partial positive charge at one end and a partial negative charge at the other.

Example Sentences:
  • Water is a polar molecule, which allows it to act as a universal solvent for other charged substances.
  • The polar heads of phospholipids face the aqueous environment in a cell membrane.
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English Synonyms & Near Equivalents

English Antonyms & Opposites

Comprehensive Thesaurus Breakdown

Compare formal, informal, literary synonyms and register nuances for “polar”.

Thesaurus Entry
Cultural Origin & Etymology

Derived from the Late Latin 'polaris', from 'polus' (pole/end of an axis), originating from the Greek 'polos' meaning 'pivot' or 'hinge'. In biology and chemistry, it describes molecules with an uneven distribution of electrical charge, creating distinct 'poles' of positive and negative charge.

Memory Aid & Mnemonic

Think of a magnet: it has a North and South pole, just as a polar molecule has a positive and negative end.

Frequently Asked Questions About “polar

1. What is the meaning of “polar” in English?

In English, polar (adjective) is defined as: “Relating to a molecule or chemical bond in which the electrons are shared unequally, resulting in a partial positive charge at one end and a partial negative charge at the other.”.

2. How do you use “polar” in a sentence?

Water is a polar molecule, which allows it to act as a universal solvent for other charged substances.

3. What are English synonyms of “polar”?

Common synonyms include:charged,hydrophilic,dipolar

4. What is the etymology and word origin of “polar”?

Derived from the Late Latin 'polaris', from 'polus' (pole/end of an axis), originating from the Greek 'polos' meaning 'pivot' or 'hinge'. In biology and chemistry, it describes molecules with an uneven distribution of electrical charge, creating distinct 'poles' of positive and negative charge.