h2o

/ˌeɪtʃ ˌtuː ˈəʊ/ (bre, ipa) · /ˌeɪtʃ ˌtuː ˈəʊ/ (ame, ipa) · /ˈāch-ˈtü-ˈō/ (ame, mw)

h2o — noun

1. the scientific way of writing the chemical make-up of water (two hydrogen atoms

1.名詞B2
釋義

the scientific way of writing the chemical make-up of water (two hydrogen atoms joined to one oxygen atom); often used in casual speech or writing as a playful or short way to say 'water'.

例句

After the long hike up the hill, Hugo asked the guide for a bottle of H2O.

informal/playful substitute for 'water'

The gym poster reminded members to drink eight glasses of H2O every day.

informal noun, uncountable, as a wellness slogan

同義詞
  • water

    everyday word; H2O is the chemical-symbol or playful variant

  • aqua

    Latin-based, mainly seen on packaging or in compound words

用法筆記

Written form preferred over spoken. In speech, usually pronounced letter-by-letter as 'H-two-O'. Treated as uncountable like 'water'; takes singular verbs and quantifiers such as 'some', 'a bottle of', 'a glass of'.

常見錯誤

❌Please give me a H2O.
✅Please give me some H2O.' or 'Please give me a glass of H2O.
💡H2O is uncountable, so it needs a quantifier rather than 'a/an'.
❌The H2Os in the bottles are warm.
✅The H2O in the bottles is warm.
💡no plural form; agrees with a singular verb.