Narrow opening which things can go through. subject microorganisms or cells to passage.

go away from.

of or concerning history.

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

take or carry people or goods from one place to another by means of vehicle or ship.

time or set of circumstances that makes it possible to do something.

continuing or valid to final destination. From the beginning of something until the end. By a particular way or process; by the use of.

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

initial. Action of starting something, e.g. a new business. To make accessible or able to be used, e.g. road.

Being additional or extra. thing.

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

(Of an army) permanently ready to fight. Your status or position relative to your community. To be (as stated).

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. situated beyond boundaries of.