The smoke from cigarettes, especially in an enclosed environment, that any person including non-smokers could breathe in.

World War II.

a burn, more severe than a first-degree burn, that blisters the skin

plural of party of the second part

(cricket) The first replacement new ball in an innings; in Test cricket, usually taken after 80 overs.

(databases) A stage in the normalization of a relational database in which it is in first normal form and every non-key attribute is dependent upon the entire primary key.

(forestry) A forest which has been harvested and is regrowing.

(usually in the plural) A measure of how many times an imaging or display device produces unique consecutive images (frames) in one second.

(law, archaic) The party to a legal dispute against whom a complaint was initially raised in a court.

(idiomatic, intransitive) To play a subsidiary or subordinate role to someone or something else.