What does "teaspoonful" mean?

A unit of capacity equal to the amount a teaspoon can hold which is taken approximately as 5 ml.

How do you pronounce "teaspoonful"?

Pronounced //ˈtiːspuːnfəl//.

Common synonyms include: teaspoon, approximate dose, measurement unit, rough amount, small portion, teaspoonsful.

/ˈtiːspuːnfəl/ noun

noun ·Rare ·Advanced level

Noun

1
A unit of capacity equal to the amount a teaspoon can hold which is taken approximately as 5 ml.
"“When I say mind,” said the blood relation, “I refer to the quarter-teaspoonful of brain which you might possibly find in her head if you sank an artesian well.”"
2
as much as a teaspoon will hold wordnet

"A teaspoonful is less than a tablespoonful."

From teaspoon + -ful.