Phrase guide

square root

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

The number which, when squared, yields another number.

Definition source: English Wiktionary via Wiktextract

Topics: mathematics, sciences

Examples

  • Near-synonym: √
  • The square roots of 4 are 2 and −2, the square root of 0 is 0, and the square roots of −4 are 2i and −2i.

Meaning relationships

Synonyms: sqr, sqrt, mul:√

Antonyms: square

Broader terms: root

2

noun

Meaning 2

The positive number which, when squared, yields another number: the principal square root.

Definition source: English Wiktionary via Wiktextract

Topics: mathematics, sciences

Examples

  • The square root of 4 is 2. No negative real square roots exist. Negative numbers have no real square roots.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

a number that when multiplied by itself equals a given number

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: root

History

Etymology

No etymology was provided for this word.

Across languages

Translations

73 source translations are retained for this English entry.

  • Afrikaans: vierkantswortel — number
  • Albanian: rrënjë katrore — number
  • Arabic: جَذْر تَرْبِيعِيّ (jaḏr tarbīʕiyy) — number
  • Armenian: քառակուսի արմատ (kʻaṙakusi armat) — number
  • Asturian: raíz cuadrada — number
  • Azerbaijani: kvadrat kök — number
  • Basque: erro karratu — number
  • Belarusian: квадра́тны ко́рань (kvadrátny kóranʹ) — number
  • Bulgarian: квадра́тен ко́рен (kvadráten kóren) — number
  • Burmese: နှစ်ထပ်ကိန်းရင်း (hnachtapkin:rang:) — number
  • Catalan: arrel quadrada — number
  • Chinese Mandarin: 平方根 (píngfānggēn) — number
  • Czech: druhá odmocnina — number
  • Danish: kvadratrod — number
  • Dutch: vierkantswortel — number
  • Dutch: wortel — number
  • Esperanto: kvadrata radiko — number
  • Estonian: ruutjuur — number
  • Finnish: neliöjuuri — number
  • French: racine carrée — number
  • Galician: raíz cadrada — number
  • Georgian: კვადრატული ფესვი (ḳvadraṭuli pesvi) — number
  • Georgian: ფესვი (pesvi) — number
  • German: Quadratwurzel — number
  • German: zweite Wurzel — number
  • Greek: τετραγωνική ρίζα (tetragonikí ríza) — number
  • Ancient Greek: δύναμις (dúnamis) — number
  • Hebrew: שורש ריבועי (shóresh ribuí) — number
  • Hindi: वर्गमूल (vargamūl) — number
  • Hungarian: négyzetgyök — number
  • Icelandic: kvaðratrót — number
  • Indonesian: akar kuadrat — number
  • Italian: radice quadrata — number
  • Japanese: 平方根 (heihōkon) — number
  • Kazakh: шаршы түбір (şarşy tübır) — number
  • Kazakh: квадраттық түбір (kvadrattyq tübır) — number
  • Khmer: ឫសការេ (rɨhkaaree) — number
  • Khmer: ឫសការ៉េ (rɨhkaaree) — number
  • Korean: 제곱근 (jegopgeun) — number
  • Korean: 평방근 (pyeongbanggeun) — number
  • Kyrgyz: квадрат тамыр (kvadrat tamır) — number
  • Latvian: kvadrātsakne — number
  • Lithuanian: kvadratinė šaknis — number
  • Macedonian: ква́дратен ко́рен (kvádraten kóren) — number
  • Malay: punca kuasa dua — number
  • Māori: pūtakerua — number
  • Norwegian Bokmål: kvadratrot — number
  • Persian: ریشهٔ دوم (riše-ye dovvom) — number
  • Polish: pierwiastek kwadratowy — number
  • Portuguese: raiz quadrada — number
  • Punjabi: ਵਰਗਮੂਲ (vargamūl) — number
  • Romanian: rădăcină pătrată — number
  • Romanian: radical — number
  • Russian: квадра́тный ко́рень (kvadrátnyj kórenʹ) — number
  • Serbo-Croatian: квадратни корен — number
  • Serbo-Croatian: квадратни коријен — number
  • Serbo-Croatian: kvadratni koren — number
  • Serbo-Croatian: kvadratni korijen — number
  • Slovak: druhá odmocnina — number
  • Slovene: kvadratni koren — number
  • Spanish: raíz cuadrada — number
  • Swahili: kipeuo cha pili — number
  • Swedish: kvadratrot — number
  • Tagalog: pariugat — number
  • Tajik: решаи квадратӣ (reša-yi kvadrati) — number
  • Telugu: వర్గమూలం (vargamūlaṁ) — number
  • Thai: รากที่สอง (râak-tîi-sɔ̌ɔng) — number
  • Turkish: karekök — number
  • Ukrainian: квадра́тний ко́рінь (kvadrátnyj kórinʹ) — number
  • Urdu: جَذْرُ الْمُّرَبَّع (jazr-ul-murabbā') — number
  • Uzbek: kvadrat ildiz — number
  • Vietnamese: căn bậc hai — number
  • Welsh: ail isradd — number