officially agreed or accepted as satisfactory. To have a positive opinion of someone or something.

substance used to stimulate production of antibodies and provide immunity against diseases. Immunogens consisting of a suspension of weakened or dead pathogenic cells injected inorder to stimulate the production of antibodies.

To start doing again after a break, pause, or stop.

officially compulsory, or otherwise considered essential. To demand that someone does something.

Concerning, used in or practicing neurology.

To believe, based on the evidence; suppose.

To defend someone or something from harm or danger.

for reason that.

Occasion when something can be seen, e.g. a movie. To lead someone somewhere; point them to something.

in space separating things. In the space that separates two objects.

(Medical) to test to find out what is wrong.

(of goods or services) brought into country from abroad for sale. To bring goods from one country into another.

continuing or valid to final destination. expressing movement into one side and out of other side of opening etc.. moving in one side and out of other side of.

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

gladly received. used to greet someone in polite or friendly way. Friendly greeting to someone who has arrived. To accept or receive something happily and gladly.