This particular spark landed in a bed of tinder and flared up almost instantly.
From the techcrunch.com
Everything is tinder dry here at the moment because it hasn't rained for so long.
From the telegraph.co.uk
The ancient city of 170,000 Palestinians is a tinder box of religious passions.
From the time.com
The driest spring since the 1920s already had left trees and brush like tinder.
From the sacbee.com
Waft gently with your hand and place into a waiting tinder bundle of dry grass.
From the thisisbristol.co.uk
An obvious way to avoid having to collect wet tinder is to carry some with you.
From the thisisbristol.co.uk
This means that affected parts of the forest floor become a virtual tinder box.
From the newscientist.com
Their second challenge was to start a fire using flint, steel, wood and tinder.
From the en.wikipedia.org
Perennial and tough tinder fungi had sucked the last of life from a birch tree.
From the gazetteherald.co.uk
More examples
Kindling: material for starting a fire
Tinder is easily combustible material used to ignite fires by rudimentary methods. A small fire consisting of tinder is then used to ignite kindling. ...
A very flammable material, such as pine or cedar bark, used as part of a firestarter kit.
Fine flammable material that easily catches a spark. Tinder ignites easily when exposed to an ember. Small cotton fibers or the inner bark from a cedar tree work well.
Burnable organic material (duff, peat, rotten wood, etc.) with a high surface to volume ratio
Is anything that can be lit with a match. The best tinder is dead, dry pine needles[?] and grass. If you are not particular about using only natural material, wadded-up paper, toilet paper, or paper towels[?] also make excellent tinder. Cotton swabs and tampons[?] are superb. ...
A flammable substance that can be used as kindling.
A combustible material which is fine enough to take a spark and start fire. Tinder is the finest of all of the fuels used in fire-making.