helium speech
Speech whose timbre has been affected by the inhalation of helium, due to the…Speech whose timbre (but not pitch) has been affected by the inhalation of helium, due to the difference in the speed of sound in that gas, compared with air.
Meaning
1 senses(uncountable)Speech whose timbre (but not pitch) has been affected by the inhalation of helium, due to the difference in the speed of sound in that gas, compared with air.
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable