(statistics) The mean (usually arithmetic, but possibly geometric) of all members of a population or all possible values from which a sample can be taken, as opposed to a sample mean.

To travel to a higher elevation, especially to a rural region on vacation. / (idiomatic) To go to a safe place; to seek refuge; to flee.

The creation and development of myelomas

Any fish from the family Bregmacerotidae, which resemble small cod.