ign-, igni-, ignis-

(Latin: fire, burn)

igniparous
1. Producing fire.
2. Giving "birth" to fire.
3. Experiencing a burning sensation during the birth of a child.
ignipedites
Burning pain in the soles of the feet, in multiple neuritis; hotfeet, burning feet.
ignipotent
1. Ruling or having power over fire.
2. Presiding over fire; also, fiery.

A reference to Vulcan, ancient Roman god of fire and metal-working.

ignipuncture (s) (noun), ignipunctures (pl)
1. Therapeutic puncture with hot needles.
2. Puncture with a white-hot styliform cautery.
Ignis aurum probat, miseria fortes viros.
Fire tests gold; adversity [tests] strong men.

Seneca, in De Providentia, warns us that there will be trouble in our lives and we must learn to come to grips with it, telling us that "life is not a bowl of cherries".

ignis fatuus
Foolish fire.

A light that misleads; a name given to a light that sometimes appears at night, usually over marshes, probably because of the combusion of marsh (methane) gas resulting from decaying vegetable matter. Other terms for it are jack-o'-lantern and will-o'-the-wisp. Anyone who attempts to follow this kind of light is misled; hence, the meaning will-o'-the-wisp.

This expression refers to a false hope, an illusion, any misleading or deluding goal, or a vain hope.

ignis fatuus (singular) ignes fatui (plural)
1. Literally, "foolish fire".
2. Phosphorescent light seen hovering or flitting over swamps at night, will-o'-the wisp; possibility caused by spontaneous combustion of gases given off by rotting organic matter.
3. Something that deludes or misleads; illusion, delusion.
ignisation
1. Hyperthermia produced by exposure to artificial sources of heat.
2. Heat exhaustion, a condition caused by environmental temperatures too high for the body's compensatory mechanism.
ignitable (adjective), more ignitable, most ignitable
Possible of an object being burned or set on fire: The matches Jack had in his pocket were dry, so they were ignitable and could light the candle on the table on the balcony.
ignite
1. To cause to burn.
2. To set fire to.
3. To subject to great heat, especially to make luminous by heat.
4. To arouse or kindle the passions of ; excite.
igniter
1. One who ignites.
2. A device to set fire to an explosive or combustible.
ignition
1. An electrical system, usually operated by a magneto or battery, that provides the spark to ignite the fuel mixture in an internal-combustion engine.
2. The point at which a substance begins a process of combustion, or the means by which this process begins.

Ignition occurs when the heat produced by a reaction becomes sufficient to sustain a chemical reaction.

ignition energy
The amount of external energy which must be applied in order to ignite a combustible fuel mixture.
ignition system
A collective term for the components of an internal combustion engine that produce the spark to ignite the mixture of fuel and air; that is, the battery, ignition coil, spark plugs, distributor, and associated switches and wiring.
ignitive
Having the property of igniting or taking fire.

Cross references of word groups that are related, directly, indirectly, or partly to: "fire, burn, glow, or ashes": ars-, ard-; -bust; cand-, cend-; caust-, caut-; crema-; ciner-; ether-; flagr-; flam-; focus, foci-; fulg-; gehenna-; phleg-; phlog-; pyreto-, -pyrexia; pyr-; spod- (ashes; waste); volcan-.