large flightless seabird of southern hemisphere, with black upper parts and white underparts and wings developed into flippers for swimming under water. Black and white sea birds that cannot fly.

Difficult to do, understand or use. To make more difficult to do, understand or use.

Expressed using writing. To invent or create a computer program. To invent or create a computer program.

Thinking deeply about something; thoughtful.

The study of the structure of substances.

Being what was wanted or needed. used to greet someone in polite or friendly way. instance or manner of greeting someone. To greet someone who has just arrived.

arrangement of and relations between parts or elements of something complex. The ways some things are built, arranged or organized. construct or arrange according to plan.

engaging in speech. action of talking. To make a formal speech about something.

silky case spun by larvae. . envelop in a protective way.

act or process of downloading data. copy data from one computer system to another.

nickname for liveried pageboy, now normally only in pantomimes. Switches activated by pressing. To fasten e.g. a shirt, coat.

Surprising in a pleasing way. To cause wonder; to surprise completely.

possessions collectively. Buildings or pieces of land owned by someone.

Group of molecules made from amino acids.

One separate event in a series of events.