Primer
Part of speech: noun
Definition: A textbook formerly used in primary education to teach the alphabet and other basic concepts. A single-stranded nucleic acid molecule required for the initiation of replication of a DNA molecule. Any substance used to start a fire. A small charge that burns furiously when given sufficient electrical current (Explosive primer) or when struck with force (percussion caps) that ignites the main combustable substances in explosives or ammunition. A layer of paint designed to underlay a topcoat, used to enhance the adhesion and durability of the topcoat and help in protection of the surface. A device used to circulate gasoline into the ignition chamber of an engine.
Fusee
Part of speech: noun
Definition: A conical, grooved pulley in early clocksA large friction matchA fuse for an explosiveA colored flare used as a warning on the railroad