VocabDictionary

double layer

/ˈdʌb.əl ˌleɪ.ər/intermediate Level

English Meaning & Definitions

1.noun

A structure consisting of two parallel layers of material, or in electrochemistry, a region at the interface between two phases where an excess of positive and negative ions exists.

Example Sentences:
  • The electrical double layer at the electrode surface is crucial for understanding how supercapacitors store energy.
  • The fabric features a double layer of insulation to keep the wearer warm in extreme temperatures.
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English Synonyms & Near Equivalents

English Antonyms & Opposites

Comprehensive Thesaurus Breakdown

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

Thesaurus Entry
Cultural Origin & Etymology

The term is a compound of the Middle English 'double' (from Old French, ultimately from Latin 'duplus', meaning 'twofold') and 'layer' (from the Middle English 'leyer', derived from the verb 'lay'). In scientific contexts, it gained prominence in the 19th century, particularly through the Helmholtz double layer model (1853), describing the structure of electrical charges at an interface.

Memory Aid & Mnemonic

Think of a sandwich with two slices of bread: the 'double' bread creates a 'layer' on the top and bottom.

Frequently Asked Questions About “double layer

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

In English, double layer (noun) is defined as: “A structure consisting of two parallel layers of material, or in electrochemistry, a region at the interface between two phases where an excess of positive and negative ions exists.”.

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

The electrical double layer at the electrode surface is crucial for understanding how supercapacitors store energy.

3. What are English synonyms of “double layer”?

Common synonyms include:bilayer,dual layer,twofold layer,double-ply

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

The term is a compound of the Middle English 'double' (from Old French, ultimately from Latin 'duplus', meaning 'twofold') and 'layer' (from the Middle English 'leyer', derived from the verb 'lay'). In scientific contexts, it gained prominence in the 19th century, particularly through the Helmholtz double layer model (1853), describing the structure of electrical charges at an interface.