O — meaning, pronunciation & more

Definition

a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust

the 15th letter of the Roman alphabet

Pronunciation

🇺🇸American English

/ˈoʊ/

🇬🇧British English

/ˈəʊ/

🇮🇳Indian English

/ˈəʊ/

1 syllable Say it as /ˈoʊ/.

Examples

people with type O blood are universal donors

Synonyms & Antonyms

Synonyms

group O oxygen atomic number 8 type O

Parts of Speech

noun	a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust
noun	the 15th letter of the Roman alphabet
noun	the blood group whose red cells carry neither the A nor B antigens “people with type O blood are universal donors”

Word Forms

oxygenate	verb	impregnate, combine, or supply with oxygen
oxygenize	verb	dehydrogenate with oxygen

Around the World

Europe

🇪🇸Spanish

oh

un elemento bivalente no metálico que normalmente es un gas diatómico incoloro, inodoro, insípido y no inflamable; constituye el 21 por ciento de la atmósfera en volumen; el elemento más abundante

🇵🇹Portuguese

ó

um elemento bivalente não metálico que normalmente é um gás diatômico incolor, inodoro, insípido e não inflamável; constitui 21% da atmosfera em volume; o elemento mais abundante

🇷🇺Russian

о

неметаллический двухвалентный элемент, который обычно представляет собой негорючий двухатомный газ без цвета, без запаха и вкуса; составляет 21 процент атмосферы по объему; самый распространенный элемент

India

🇮🇳Hindi

हे

एक अधात्विक द्विसंयोजक तत्व जो सामान्यतः रंगहीन गंधहीन स्वादहीन गैर ज्वलनशील द्विपरमाणुक गैस है; आयतन की दृष्टि से यह वायुमंडल का 21 प्रतिशत है; सबसे प्रचुर मात्रा में पाया जाने वाला तत्व

🇮🇳Tamil

ஓ

பொதுவாக நிறமற்ற மணமற்ற சுவையற்ற தீப்பிடிக்காத இரு அணுக்கரு வாயு; அளவு மூலம் வளிமண்டலத்தில் 21 சதவீதம் உள்ளது; மிகுதியான எலிம்

🇮🇳Telugu

ఓ

నాన్మెటాలిక్ ద్విపద మూలకం, ఇది సాధారణంగా రంగులేని వాసన లేని రుచిలేని నాన్‌ఫ్లమేబుల్ డయాటోమిక్ వాయువు; వాల్యూమ్ ద్వారా వాతావరణంలో 21 శాతం ఉంటుంది; అత్యంత సమృద్ధిగా ఉండే ఎలిమ్

🇮🇳Gujarati

ઓ

એક બિનધાતુ દ્વિભાષી તત્વ જે સામાન્ય રીતે રંગહીન ગંધહીન સ્વાદહીન બિન-જ્વલનશીલ ડાયટોમિક ગેસ છે; વોલ્યુમ દ્વારા વાતાવરણનો 21 ટકા ભાગ છે; સૌથી વધુ વિપુલ તત્વ

🇮🇳Malayalam

ഒ

ഒരു നോൺമെറ്റാലിക് ബൈവാലൻ്റ് മൂലകം, ഇത് സാധാരണയായി നിറമില്ലാത്ത മണമില്ലാത്ത രുചിയില്ലാത്ത ജ്വലിക്കുന്ന ഡയറ്റോമിക് വാതകമാണ്; വോളിയം അനുസരിച്ച് അന്തരീക്ഷത്തിൻ്റെ 21 ശതമാനം; ഏറ്റവും സമൃദ്ധമായ ഇലം

🇮🇳Punjabi

ਓ

ਇੱਕ ਗੈਰ-ਧਾਤੂ ਬਾਇਵੇਲੈਂਟ ਤੱਤ ਜੋ ਆਮ ਤੌਰ 'ਤੇ ਇੱਕ ਰੰਗਹੀਣ ਗੰਧ ਰਹਿਤ ਸਵਾਦ ਰਹਿਤ ਗੈਰ-ਜਲਣਸ਼ੀਲ ਡਾਇਟੋਮਿਕ ਗੈਸ ਹੁੰਦਾ ਹੈ; ਆਇਤਨ ਦੁਆਰਾ ਵਾਯੂਮੰਡਲ ਦਾ 21 ਪ੍ਰਤੀਸ਼ਤ ਬਣਦਾ ਹੈ; ਸਭ ਤੋਂ ਭਰਪੂਰ ਤੱਤ

East & Southeast Asia

🇨🇳Chinese

哦

非金属二价元素，通常是无色无臭无味的不可燃双原子气体；按体积计占大气的 21%；最丰富的元素

🇯🇵Japanese

ああ

非金属の二価元素で、通常は無色、無臭、無味の不燃性の二原子ガスです。体積で大気の 21 パーセントを構成します。最も豊富な要素

🇰🇷Korean

영형

일반적으로 무색, 무취, 무미의 불연성 이원자 가스인 비금속 2가 원소; 부피 기준으로 대기의 21%를 차지합니다. 가장 풍부한 요소

🇻🇳Vietnamese

ồ

một nguyên tố hóa trị hai phi kim thường là khí hai nguyên tử không màu, không mùi, không vị, không cháy; chiếm 21% thể tích khí quyển; nguyên tố phong phú nhất

🇹🇭Thai

โอ

ธาตุไบวาเลนต์ที่ไม่ใช่โลหะซึ่งโดยปกติจะเป็นก๊าซไดอะตอมมิกที่ไม่มีสี ไม่มีรส ไม่ติดไฟ คิดเป็นร้อยละ 21 ของบรรยากาศโดยปริมาตร องค์ประกอบที่มีมากที่สุด

🇮🇩Indonesian

Hai

unsur bivalen bukan logam yang biasanya berupa gas diatomik yang tidak berwarna, tidak berbau, dan tidak mudah terbakar; merupakan 21 persen volume atmosfer; unsur yang paling melimpah

Middle East

🇸🇦Arabic

س

عنصر ثنائي التكافؤ غير معدني والذي عادة ما يكون غاز ثنائي الذرة عديم اللون والرائحة والطعم وغير قابل للاشتعال؛ يشكل 21 بالمئة من الغلاف الجوي من حيث الحجم؛ العنصر الأكثر وفرة

Test Yourself1 / 3

What is the primary definition of the word 'o'?

The primary meaning of 'o' is 'a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust'.

Which of the following sentences uses the word 'o' in a grammatically correct way?

Using 'o' in a noun/adjective form makes the first sentence correct.

In which domain is the word 'o' most likely to appear as standard vocabulary?

'o' is a standard word used primarily in general literature and formal communications.

Community Poll1 / 6

How often do you encounter the word 'o' in your daily reading?

Very Often

Occasionally

Rarely

Never

Do you find 'o' easy to spell?

Yes, very easy

Somewhat easy

A bit confusing

Extremely hard

In your opinion, does the word 'o' have a positive, neutral, or gloomy tone?

Positive

Neutral

Gloomy

Vibrant

Which age group is most likely to use 'o' in regular conversations?

Kids (3-12)

Teens (13-19)

Adults (20-60)

Seniors (60+)

How likely are you to use 'o' in a professional email?

Very likely

Somewhat likely

Not very likely

Never

Would you classify 'o' as formal, casual, or slang?

Formal

Casual

Slang

Archaic

Pick an option to see how others voted