Word Pronunciation & Dictionary

impedance

[ɪmˈpidn̩s]

Word Rarity Rare

Frequency: 3.15 in modern English

Syllables
im-ped-ance
IPA
[ɪmˈpidn̩s]
16
Scrabble Score
9
Letters
3
Syllables
8
Unique Chars

Meaning

noun

The act of impeding; that which impedes; a hindrance.

Countable; Uncountable

noun

A measure of the opposition to the flow of an alternating current in a circuit; the aggregation of its resistance, and inductive and capacitive reactances; the ratio of voltage to current treated as complex quantities.

Countable; Uncountable

noun

A quantity analogous to electrical impedance in some other energy domain

Countable; Uncountable

noun

A quantity analogous to electrical impedance in some other energy domain

Countable; Uncountable

Example Sentences

Etymology

From impede + -ance. In sense 2 and sense 3 it was coined by English mathematician and physicist Oliver Heaviside in 1886.

Word Breakdown

Regional Pronunciation

  • American English: [ɪmˈpidn̩s]
  • British English: [ɪmˈpiːdn̩s]

Usage

Inflected Forms

Derived Forms

Phrases

acoustic impedance characteristic impedance electrical impedance tomography image impedance impedance coil impedance mismatch impedance of free space impedance plethysmography

Frequently Paired Words

Synonyms

Rhymes With

Questions

How do you pronounce impedance?
The recorded pronunciation is [ɪmˈpidn̩s].
What does impedance mean?
The act of impeding; that which impedes; a hindrance.
Where does impedance come from?
From impede + -ance. In sense 2 and sense 3 it was coined by English mathematician and physicist Oliver Heaviside in 1886.

How to pronounce impedance

  1. Open the pronunciation page — Open the Speakur entry for “impedance”.
  2. Read the phonetic spelling — Read the IPA spelling ([ɪmˈpidn̩s]) so you know which sounds to aim for.
  3. Play the audio — Click Play to hear reference audio for “impedance”.
  4. Repeat and practice — Say “impedance” aloud, matching stress and vowels until it feels natural.