begin or be reckoned from particular point in time or space.

joining or merging of different parts. Series of letters or numbers needed to open a lock.

3-month period of time for businesses, etc.. To give a soldier a place to live for a short time.

expert in or student of mathematics. Students of or teachers of mathematics.

used for emphasis with following adjective functioning as adverb. Thing that is not yet known or named.

Showing a strong desire to do or get something. To talk or think about someone, something too much.

difficult or hurried clamber up or over something. To cause war planes to take off quickly.

difficult to understand. To have or be included as a part of something.

Painting, drawing or photograph on paper or screen. To imagine someone or something in an image.

showing curiosity or concern about something or someone. To make someone want to know about something.

occupation, profession, or work of teacher. To help someone learn or do something.

That is likely to happen or be true.

Thing, person which represents a category. be illustrated or exemplified.

used to refer to thing, no matter what.

not same as another or each other.