Process of moving through time. subject microorganisms or cells to passage.

To let something or someone remain somewhere.

of or concerning history.

used to express good wishes when parting or at end of conversation. Something you say when you leave someone.

To cause to feel you are in a previous time.

Time, situation when a thing might be done; chance.

From one end or side of something to the other. expressing movement into one side and out of other side of opening etc.. Over, in, across an entire thing or place.

brief period of time. Very short or brief periods of time.

initial. space or gap allowing passage. To move or change so that it is no longer closed.

Different, better or greater than normal. Heavily discounted sales item.

give polite word of recognition or sign of welcome when meeting.

performed from rest or upright position, without run-up. Your status or position relative to your community. To take the role of another person.

below 0°. freezing point of water. To store an item of food in a cold place.

situated on or near outside. Beyond the limits or edges of some place, thing. Area around or near something, such as a building. Beyond the limits or edges of some place, thing.