bell in building which can be rung by visitors outside to signal their arrival.

supposition or system of ideas intended to explain something. Ideas or principles that explain facts or events.

having or emitting clear resonant sound. To draw a circular shape or mark around something.

having been thought about carefully. To think carefully about something.

Very strong uncontrollable emotion, e.g. delight. take or carry people or goods from one place to another by means of vehicle or ship.

As regards medical matters.

person qualified to practise medicine.

Being what was wanted or needed. used to greet someone in polite or friendly way. instance or manner of greeting someone. To accept or receive something happily and gladly.

Plan made in secret to do something illegal.

worried, troubled, or anxious. To feel worry or anxiety.

person who gives lectures.

Company producing or growing a certain product.

Causing the most fear.

To become affected by illness or disease.

sympathetically aware of other people's feelings. Knowledge about something or someone. To know the meaning of language, what someone says.