air filter
— Noun
– English
～ a filter that removes dust from the air that passes through it
Alpine fir
— Noun
– English
～ medium-tall timber tree of the Rocky Mountains having a narrowly conic to columnar crown
amabilis fir
— Noun
– English
～ medium to tall fir of western North America having a conic crown and branches in tiers; leaves smell of orange when crushed
artillery fire
— Noun
– English
～ fire delivered by artillery
automatic firearm
— Noun
– English
～ a firearm that reloads itself and keeps firing until the trigger is released
all-fired
— Adverb
– English
～ extremely; "you are bloody right"; "Why are you so all-fired aggressive?"
all-fired
— Adjective
– English
～ extreme; "why is he in such an all-fired hurry?"
all-firedly
— Adverb
– English
～ extremely; "you are bloody right"; "Why are you so all-fired aggressive?"
accounting firm
— Noun
– English
～ a firm of accountants who provide accounting and auditing services for a fee
at first blush
— Adverb
– English
～ as a first impression; "at first blush the offer seemed attractive"
angler fish
— Noun
– English
～ fishes having large mouths with a wormlike filament attached for luring prey
anemone fish
— Noun
– English
～ live associated with sea anemones
Ariocarpus fissuratus
— Noun
– English
～ usually unbranched usually spineless cactus covered with warty tubercles and having magenta flowers and white or green fruit; resembles the related mescal; northeastern Mexico and southwestern United States
Allium fistulosum
— Noun
– English
～ Asiatic onion with slender bulbs; used as early green onions
American flag
— Noun
– English
～ the national flag of the United States of America
Aporocactus flagelliformis
— Noun
– English
～ commonly cultivated tropical American cactus having slender creeping stems and very large showy crimson flowers that bloom for several days
American flagfish
— Noun
– English
～ a fish with a dark-blue back and whitish sides with red stripes; found in swamps and streams of Florida
alluvial flat
— Noun
– English
～ a flat resulting from repeated deposits of alluvial material by running water