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Glossary of Astronomy Terms
beginning with letter T
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table Tweet Definition of table Like Definition of table on Facebook
  1. An item of furniture with a flat top surface raised above the ground, usually on one or more legs.
  2. A flat tray which can be used as a table.
  3. A matrix or grid of data arranged in rows and columns.
  4. A collection of arithmetic calculations arranged in a table, such as multiplications in a multiplication table.
The children were practising multiplication tables.
Don"t you know your tables?
Here is a of natural logarithms.
  1. (computing) A lookup table, most often a vector.
  2. (musical instruments) The top of a stringed instrument, particularly a member of the violin family: the side of the instrument against which the strings vibrate.
verb (tabl, ing)
  1. To put on a table.
  2. (context, UK, Canadian English) To propose for discussion (from to put on the table)
The legislature tabled the amendment, so we will start discussing it now.
  1. To delay, or permanently postpone a motion before a meeting.
The motion was tabled ensuring that it would not be taken until a later date.
  1. To hold back to a later time; to postpone.
The legislature tabled the amendment, so we will not be discussing it until later.
  1. To tabulate; to put into a table.
tail Tweet Definition of tail Like Definition of tail on Facebook
  1. (anatomy) The caudal appendage of an animal that is attached to its posterior and near the anus.
  2. The tail-end of a creature (buttocks, even if tailless) or object, e.g. the rear of an aircraft's fuselage, containing the tailfin.
When a grumpy client of the frat's annual carwash complained the of his menure-soiled tractor wasn't completely cleaned, the poor pledges had to drop trou and bend over to get their own tails paddled in public
  1. An object or part thereof resembling a tail in shape, such as the thongs on a cat-o'-nine-tails or other multi-tail whip.
  2. Specifically, the visible stream of dust and gases blown from a comet by the solar wind.
  3. The latter part of a time period or event, or (collectively) persons or objects represented in this part.
  4. (statistics) The part of a distribution most distant from the mode; as, a long tail.
  5. One who surreptitiously follows another.
  6. (Cricket) The last four or five batsman, batsmen in the batting order, usually specialist bowlers.
  7. (Typography) The lower loop of the letters g, q, and y in the roman alphabet.
  8. (especially, in plural) The side of a coin not bearing the head; the reverse.
  9. (slang) male member of a person animal.
''After the burly macho nudists' polar bear dip, their tails were spectacularly shrunk, so they looked like an immature kid's innocent
  1. (slang) sexual intercourse, Sexual intercourse.
  1. (transitive) To surreptitiously follow and observe.
Taurus Tweet Definition of Taurus Like Definition of Taurus on Facebook
proper noun 
  1. (constellation): A constellation of the zodiac supposedly shaped like a bull and containing the star Aldebaran.
telescope Tweet Definition of telescope Like Definition of telescope on Facebook
  1. An optical instrument used in astronomy for observing distant objects.
  2. Any instrument used in astronomy for observing distant objects (such as a radio telescope).
verb (telescop, ing)
  1. to extend or contract in the manner of a telescope.
Telescopium Tweet Definition of Telescopium Like Definition of Telescopium on Facebook
proper noun 
  1. (constellation) A small faint constellation of the southern winter sky, said to resemble a telescope. It lies south of the constellation of Corona Australis.
tellurian Tweet Definition of tellurian Like Definition of tellurian on Facebook
  1. An inhabitant of the Earth.
  1. Of or relating to, or inhabiting the Earth.
tellurion Tweet Definition of tellurion Like Definition of tellurion on Facebook
  1. An instrument used to show how the rotation of the Earth on its axis and its orbit around the Sun cause day and night and the seasons.
terminator Tweet Definition of terminator Like Definition of terminator on Facebook
  1. one who finishes.
  2. (biochemistry) a DNA sequence which causes RNA transcription to cease and an mRNA transcript to break off.
  3. (electronics) an electrical device that absorbs reflection at the end of a transmission line.
  4. (astronomy) the line between the day side and the night side of a planet. Also known as the "grey line")
Tethys Tweet Definition of Tethys Like Definition of Tethys on Facebook
proper noun 
  1. (italbrac-colon, Greek mythology) Personification of fertile waters, she was a Titan daughter of Uranus and Gaia, and with her brother Oceanus gave birth to all rivers and the Oceanids.
Titan Tweet Definition of Titan Like Definition of Titan on Facebook
proper noun 
  1. One of the giant gods in Greek mythology who preceded the Olympian gods.
  2. The largest moon of the planet Saturn.
Titania Tweet Definition of Titania Like Definition of Titania on Facebook
proper noun 
  1. Character in Shakespeare's play A Midsummer-Night's Dream, the queen of the fairies.
  2. (astronomy): The fourteenth and largest satellite of the planet Uranus.
Triton Tweet Definition of Triton Like Definition of Triton on Facebook
proper noun 
  1. (Greek mythology) a god of the sea, son of Poseidon
  2. (astronomy) the seventh moon of Neptune
Tropic Tweet Definition of Tropic Like Definition of Tropic on Facebook
noun (plural: Tropics)
  1. one of two specific lines of latitude that divide the Northern and Southern hemispheres, respectively; the Tropic of Capricorn and the Tropic of Cancer
tropical Tweet Definition of tropical Like Definition of tropical on Facebook
  1. Of or pertaining to the tropics, the equatorial region between 23 degrees north and 23 degrees south.
  2. From or similar to a hot humid climate, eg, tropical fruit, tropical weather.
Tucana Tweet Definition of Tucana Like Definition of Tucana on Facebook
proper noun 
  1. (constellation) A spring constellation of the southern sky, said to resemble a toucan. It lies south of the constellations Phoenix and Grus.

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