9-letter words starting with fir
- firestone — Harvey Samuel, 1868–1938, U.S. industrialist and rubber manufacturer.
- firestorm — an atmospheric phenomenon, caused by a large fire, in which the rising column of air above the fire draws in strong winds often accompanied by rain.
- firethorn — any of several evergreen, thorny Asian shrubs belonging to the genus Pyracantha, of the rose family, many species of which are cultivated for their foliage and ornamental fruits.
- firetraps — Plural form of firetrap.
- firetruck — (US) A vehicle equipped with fire fighting apparatus.
- firewagon — (US) A fire engine.
- firewalls — Plural form of firewall.
- firewater — alcoholic drink; liquor.
- firewoman — A female firefighter.
- firewomen — Plural form of firewoman.
- fireworks — Often, fireworks. a combustible or explosive device for producing a striking display of light or a loud noise, used for signaling or as part of a celebration.
- fireworms — Plural form of fireworm.
- firmament — the vault of heaven; sky.
- firmicute — Any bacterium of the phylum Firmicutes.
- firn line — the zone of a glacier between the lower region of solid ice and the upper region of névé, above which ablation occurs
- firozabad — a city in Uttar Pradesh state, N central India.
- first aid — emergency aid or treatment given to someone injured, suddenly ill, etc., before regular medical services arrive or can be reached.
- first day — (among Quakers) Sunday.
- first fit — (algorithm) A resource allocation scheme that searches a list of free resources and returns the first one that can satisfy the request. For example, when allocating memory from a list of free blocks (a heap), first fit scans the list from the beginning until it finds a block which is big enough to satisfy the request. The requested size is allocated from this block and the rest of the block returned to the free pool. First fit is faster than a best fit scheme, but results in more fragmentation of the free space because it is more likely to split up a large free block when a smaller block could have been used.
- first off — being before all others with respect to time, order, rank, importance, etc., used as the ordinal number of one: the first edition; the first vice president.
- first run — the initial exhibition period for a film.
- first-run — designating or of:
- firstborn — first in the order of birth; eldest.
- firsthand — from the first or original source: We heard the news of the accident firsthand from a witness.
- firstling — the first of its kind to be produced or to appear.
- firstname — given name.
- firstness — the condition or quality of being first