First of all, its: once in a while, but yes, it's informal
No; proteins must be recycled every once in a while. For example, hemoglobin has a lifetime of 120 days.
The informal term for sleep is "shut-eye" or "snooze".
informal term for an innings
A Seaman is the correct informal term for a Navy officer. Informal term for a sailor in the US Navy is "bluejacket".
The term for something that happens once every 13 years is "triennial." However, a more common term specifically for events that occur every 13 years is "quindecennial." In general, such infrequent occurrences might also simply be referred to as "every 13 years."
Drunk is an informal term. Intoxicated would be more formal.
In while, from the very first term, every time, the related conditions in while will be checked and then the statements will execute. But, in do-while, all the statements under do will execute once and then compiler will check the while condition. Therefore, only first time only statements will execute without checking the conditions in while, but not from the second term repetition. written by DILSHAN MADUSANKA dilshanmadusanka@yahoo.com
No
A zomb is an informal term for a zombie.
costs
An antidep is an informal term for an antidepressant.
A bab is an informal term for a baby.