Word.ws English Dictionary

H₂O

US/ˌeɪt͡ʃtuːˈoʊ/

H₂O proper noun: hishammuddin Hussein Onn, Malaysian politician and son of Hussein Onn, third prime minister of Malaysia.

Proper noun

H₂O

  1. (Internet, Malaysia, humorous) Hishammuddin Hussein Onn, Malaysian politician and son of Hussein Onn, third prime minister of Malaysia.

Origin of H₂O

Two H initials (Hishammuddin Hussein) represented by H₂ + O for Onn, chosen to humorously match the chemical formula for water.

Questions about H₂O

What does H₂O mean?
H₂O means hishammuddin Hussein Onn, Malaysian politician and son of Hussein Onn, third prime minister of Malaysia.
What part of speech is H₂O?
H₂O is a proper noun.
How do you pronounce H₂O?
H₂O is pronounced /ˌeɪt͡ʃtuːˈoʊ/ (US).

Words near H₂O in the dictionary

  1. Hải Phòng
  2. Hậu Giang
  3. Hồ Chí Minh City
  4. Hồng Bàng
  5. Hội An
  6. H₂O
  7. i
  8. I 'm
  9. I am
  10. I am ... year(s) old
  11. I am a doctor

Source and license

Adapted from Wiktionary: H₂O (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “H₂O.” Word.ws, https://word.ws/h%E2%82%82o. Based on Wiktionary, CC BY-SA 4.0.