Used to form nouns denoting, collectively, items made from a particular substance. / Used to form nouns denoting, colelctively, items made in a particular place.

Used to form mass nouns denoting specific classes of computer software, based on use, function, or method of distribution.

(science fiction) A hypothetical discontinuity in the flow of time that would uncausally move events from one time period to another.

An aircraft designed for combat.

A part-time soldier, or reservist / (idiomatic) A person who indulges in a sport or pastime on an infrequent basis, usually on weekends when work commitments are not present.

using caution; cautiously. / without trust; in a manner showing a lack of trust; suspiciously.

Erroneous variant of Kirtland's warbler.

a small songbird, Setophaga kirtlandii, that nests in Michigan, United States and winters in the Bahamas

The use of harmful microorganisms as a weapon of war.

The use of any harmful organism (such as a bacterium or virus) as a weapon of war.