half-pillar or half-pier attached to wall to support arch. say something in reply.

human intellectual achievements. artificially cultivate bacteria etc..

Concerning a Masters or Ph.D. university courses. person with undergraduate or first academic degree. To move up from a position to a higher, better one.

Of the top layer; not deep or meaningful. outside part or uppermost layer of something. To come to the top level of water, mud, etc..

any of class of nitrogenous organic compounds. Groups of molecules made from amino acids.

To write articles for a magazine or newspaper.

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

Making something more current or modern. To download the latest version of software.

person who is studying or has expert knowledge of one or more of natural or physical sciences. People who are trained in a science.

used to refer to thing, no matter what.

To do, be or happen for the first time; begin.

relating to or affecting respiration or organs of respiration.

system of parts in machine. System or process for achieving a certain result.

Having power or authority.

Important well-respected person. Person who is not known or named.