Englishfor English speakers
insertion
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noun
the act of putting one thing into another
—
noun
(= interpolation)
a message (spoken or written) that is introduced or inserted
with the help of his friend's interpolations his story was eventually told
with many insertions in the margins
gain
Noun
—
A gain is the act of getting something.
You have nothing to gain.
—
What one gains, as a return on investment or dividend.
No pain, no gain.
—
The factor by which a signal is multiplied.
gain
Verb
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You gain something by getting or receiving it.