Pi vs Tau - What's the difference?
pi | tau |
The name of the sixteenth letter of the Classical and Modern Greek alphabets and the seventeenth in Old Greek.
(mathematics) An irrational and transcendental constant representing the ratio of the circumference of a Euclidean circle to its diameter; approximately 3.1415926535897932384626433832795; usually written .
(metal typesetting) Metal type that has been spilled, mixed together, or disordered. Also called pie.
(metal typesetting) To spill or mix printing type. Also, "to pie".
(typography) Not part of the usual font character set; especially, non-Roman type or symbols as opposed to standard alphanumeric Roman type.
(typography) pica (conventionally, 12 points = 1 pica, 6 picas = 1 inch)
piaster
pious
The name of the letter and Modern Greek, the twenty-first letter of Old and [[Ancient Greek, Ancient Greek.
A -shaped sign or structure; a , sometimes considered as a sacred symbol.
* 1658': Nor shall we take in the mysticall '''''Tau'' , or the Crosse of our blessed Saviour, which having in some descriptions an ''Empedon'' or crossing foot-stay, made not one single transversion. — Sir Thomas Browne, ''The Garden of Cyrus (Folio Society 2007, p. 168)
A tau meson, now usually known as a kaon.
(label) An unstable heavy lepton, which decays into a muon or electron; a tauon.
(label) A type of protein used to stabilise microtubules.
* 1999 , (Matt Ridley), Genome , Harper Perennial 2004, p. 263:
A constant equal to twice the value of pi; often written .
As nouns the difference between pi and tau
is that pi is the name of the sixteenth letter of the Classical and Modern Greek alphabets and the seventeenth in Old Greek while tau is the name of the letter Τ/τ in the Greek, Hebrew and ancient Semitic alphabets, being the nineteenth letter of the Classical and Modern Greek, the twenty-first letter of Old and Ancient Greek.As a verb pi
is to spill or mix printing type. Also, "to pie".As an adjective pi
is not part of the usual font character set; especially, non-Roman type or symbols as opposed to standard alphanumeric Roman type.As an abbreviation pi
is pica (conventionally, 12 points = 1 pica, 6 picas = 1 inch.As an initialism PI
is initialism of partial induction|lang=en see AI.pi
English
Noun
(en noun)Synonyms
* (irrational constant) Archimedes' constant, Ludolph's constant, Ludolph's numberVerb
Adjective
(-)- In computing, pi characters are entered with special combinations of keys like ctrl-alt-x, or via character sequences such as &
- 123;.
Abbreviation
(Abbreviation) (head)Anagrams
* English two-letter words ----tau
English
Noun
(en noun)- Quite what that job is remains obscure, but one theory is that it is to stabilise another protein called tau , which is supposed in turn to keep in shape the tubular ‘skeleton’ of a neuron.