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. mark symbols on surface with pen.

providing reflection.

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. greet someone arriving in polite or friendly way.

arrangement of and relations between parts or elements of something complex. The ways some things are built, arranged or organized. To make or build with an organized framework.

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

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

Transfer of data from the internet to a computer. To transfer data from a computer or the internet.

nickname for liveried pageboy, now normally only in pantomimes. Small round piece materials used to fasten clothing. To fasten e.g. a shirt, coat.

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

possessions collectively. Particular qualities that people or some things have.

any of class of nitrogenous organic compounds.

event or group of events.