The latent heat of fusion is the heat absorbed (at constant temperature) to melt a substance into a liquid: or the heat released (at constant temperature) to freeze a liquid into a solid.
(The latent heat of fusion; is; the heat absorbed (at constant temperature) to melt a substance into a liquid: or the heat released (at constant temperature))
The latent heat of fusion
is
the heat absorbed (at constant temperature) to melt a substance into a liquid: or the heat released (at constant temperature)