A major effect of long-term weightlessness involves the loss of bone and muscle mass. Without the effects of gravity, skeletal muscle is no longer required to maintain posture and the muscle groups used in moving around in a weightless environment differ from those required in terrestrial locomotion.
Marina /ma-ri-na/ [3 sylls.] as a girls' name is pronounced mah-REE-nah. It is of Latin origin, and the meaning of Marina is from the sea. From marine. A saint's name. Shakespeare gave the name to Pericles' daughter in his play Pericles, Prince of Tyre.
The word marinade means a sauce in which food is soaked before cooking. tender. With a marinade, the combination of oil, acid and flavour protects foods from the heat of the grill. Marinade started out life as a noun, but it is used so often as a verb, many dictionaries now list it as one.