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Glossary of Astronomy Terms
beginning with letter F
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falling star Tweet Definition of falling star Like Definition of falling star on Facebook
noun
  1. (astronomy) A meteor
filament Tweet Definition of filament Like Definition of filament on Facebook
noun
  1. a fine thread or wire
  2. such a wire, heated to glowing, in an incandescent light bulb or a thermionic valve
  3. (botany) The stalk of a stamen in a flower, supporting the anther.
  4. In textiles, a continuous object, limited in length only by its spool, and not cut to length
fireball Tweet Definition of fireball Like Definition of fireball on Facebook
noun
  1. A ball of fire.
  2. An explosion, which results in a fireball.
  3. (astronomy) A meteor bright enough to cast shadows.
  4. A class of sailing dinghy,with a single trapeze and a symmetrical spinnaker, sailed by a crew of two.
first quarter Tweet Definition of first quarter Like Definition of first quarter on Facebook
noun
  1. the waxing lunar phase half way between new moon and full moon.
flare Tweet Definition of flare Like Definition of flare on Facebook
noun
  1. A brightly burning light used to attract attention in an emergency, or to illuminate an area.
The flares steered the traffic away from the accident.
  1. A widening of the lower legs of trousers and jeans.
That's a genuine early '70's on those pants.
  1. (aircraft) The transition from downward flight to level flight just before landing.
The captain executed the perfectly, and we lightly touched down.
  1. (baseball) A low fly ball that is hit in the region between the infielders and the outfielders
Jones hits a little to left that falls for a single.
verb (flar, ing)
  1. (intransitive): To blaze brightly.
The blast furnace flared in the night.
  1. (intransitive): To burn unsteadily.
  2. (intransitive): To burst out suddenly, as in anger (often with up or out.)
The insult made him up.
  1. (transitive): to make flare.
fly Tweet Definition of fly Like Definition of fly on Facebook
noun (commons)
(
fl, ies)
  1. (context, Zoology) Any insect of the order Diptera; characterized by having two wings, also called true fly, true flies.
  2. (context, non-technical) Especially, any of the insects of the family Muscidae, such as the common housefly (other families of Diptera include mosquitoes and midges).
  3. Any similar, but unrelated insect such as dragonfly or butterfly.
  4. A piece of canvas that covers the opening at the front of a tent.
  5. A strip of material hiding the zipper, buttons etc. at the front of a pair of trousers, pants, or underpants.
  6. The free edge of a flag.
  7. The horizontal length of a flag.
  8. (context, fishing) A lightweight fishing lure resemble, resembling an insect.
  9. (baseball) A fly ball.
  10. (weightlifting) A chest exercise performed by moving extended arms from the sides to in front of the chest. (also flye)
verb (flies, flying, flew, flown, )
  1. (intransitive) To travel through the air.
Birds of passage to warmer regions as it gets colder in winter.
The Concorde flew from Paris to New York faster than any other passenger airplane.
It takes about eleven hours to from Frankfurt to Hongkong.
The little fairy flew home on the back of her friend, the giant eagle.
  1. (intransitive) To flee, to escape.
Fly, my lord! The enemy are upon us!
  1. (transitive) (ergative) To cause to move through the air, to transport by air.
Charles Lindbergh flew his airplane The Spirit of St. Louis across the Atlantic ocean.
Why don"t you go outside and kites, kids? The wind is just perfect.
Birds their prey to their nest to feed it to their young.
Each day the post flies thousands of letters around the globe.
  1. (intransitive) (colloquial) Of a proposal: to be accepted.
Let's see if that idea flies.
adjective (fli, er)
  1. (slang) quick-witted, Quick-witted, mentally sharp, smart (in a mental sense).
  2. (slang) Well dressed, smart in appearance.
flying fish Tweet Definition of flying fish Like Definition of flying fish on Facebook
noun
  1. A tropical marine fish of the family Exocoetidae, having enlarged winglike pectoral fins enabling it to escape predators by taking short gliding flights through the air.
Fomalhaut Tweet Definition of Fomalhaut Like Definition of Fomalhaut on Facebook
proper noun
  1. (star) The brightest star in the constellation Piscis Austrinus and one of the brightest stars in the night sky; Alpha (~+mn~) Piscis Austrini.
Fornax Tweet Definition of Fornax Like Definition of Fornax on Facebook
proper noun
  1. (constellation) A winter constellation of the northern sky, said to resemble a furnace. It lies near the constellation Eridanus.
  2. (astronomy) A dwarf galaxy located in the constellation Fornax.
  3. (greekmyth) The Roman goddess of ovens.
full Tweet Definition of full Like Definition of full on Facebook
verb
  1. To make cloth denser and firmer by soaking, beating and pressing, to waulk, walk
adjective
  1. Containing the maximum possible amount of that which can fit in the space available.
The jugs were to the point of overflowing.
  1. Complete; with nothing omitted.
Our book gives treatment to the subject of angling.
  1. Total, entire.
She had tattoos the length of her arms.
He was prosecuted to the extent of the law.
  1. (informal) satisfied, especially in relation to eating.
"I'm ", he said, pushing back from the table.
  1. Of a garment, of a size that is ample, wide, or having ample folds or pleats to be comfortable.
She needed her clothing during her pregnancy.
  1. Having depth and body; rich.
full moon Tweet Definition of full moon Like Definition of full moon on Facebook
noun
  1. The phase of the moon when it is in opposition to the sun.
  2. The moon when it is in opposition to the sun.
furnace Tweet Definition of furnace Like Definition of furnace on Facebook
noun
  1. A device for heating.
  2. A device that heats materials being processed in a factory.
  3. A device that provides heat for a building.
  4. Any area that is excessively hot.

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