Expound (verb)
To set out the meaning of; to explain or discuss at length
“spell out”
Expound (verb)
To make a statement, especially at length.
“He expounded often on the dangers of the imperial presidency.”
Expand (verb)
To change (something) from a smaller form and/or size to a larger one; to spread out or lay open.
“You can expand this compact umbrella to cover a large table.”
Expand (verb)
To increase the extent, number, volume or scope of (something).
“A flower expands its leaves.”
Expand (verb)
To express (something) at length and/or in detail.
Expand (verb)
To rewrite (an expression) as a longer, yet equivalent sum of terms.
“Use the binomial theorem to expand”
“(x+1)4“
“to”
“x4 + 4x3 + 6x2 + 4x + 1.”
Expand (verb)
To multiply both the numerator and the denominator of a fraction by the same natural number yielding a fraction of equal value
Expand (verb)
To (be) change(d) from a smaller form/size to a larger one.
“Many materials expand when heated.”
“This compact umbrella expands to cover a large table.”
Expand (verb)
To (be) increase(d) in extent, number, volume or scope.
Expand (verb)
To speak or write at length or in detail.
“He’s so pedantic, he expands on everything!”
Expand (verb)
To feel generous or optimistic.
Expound (verb)
present and explain (a theory or idea) in detail
“he was expounding a powerful argument”
“he declined to expound on his decision”
Expound (verb)
explain the meaning of (a literary or doctrinal work)
“the abbess expounded the scriptures to her nuns”