pi

noun · verb · adjectiveA1

Định nghĩa theo từ loại

Danh từ

noun

Plural noun:

pis

1.
(countable, uncountable)The sixteenth letter of the Classical and Modern Greek alphabets and the seventeenth in Old Greek.
2.
(countable, uncountable)(mathematics) An irrational and transcendental constant representing the ratio of the circumference of a Euclidean circle to its diameter; approximately 3.14159265.
Đồng nghĩa: Archimedes' constant, Ludolphian number, Ludolph's constant, Ludolph's number
3.
(countable, uncountable)(letterpress typography) Metal type that has been spilled, mixed together, or disordered.
4.
(typography) pica (conventionally, 12 points = 1 pica, 6 picas = 1 inch).
5.
Piaster.

Động từ

verb

V_es/s

pies

V_ing/Gerund

piing

V_ed/pp

pied

1.
(letterpress typography) To spill or mix printing type.

Tính từ

adjective

1.
(not comparable)(typography) Not part of the usual font character set; especially, non-Roman type or symbols as opposed to standard alphanumeric Roman type.
In computing, pi characters may be entered with special key combinations.
2.
Pious.

Từ liên quan

Đồng nghĩa

Archimedes' constantLudolphian numberLudolph's constantLudolph's numberpie

Cùng gốc / liên quan

piempionpiphilologypi bondpi fontpi-heptominopilishpi mesonpi-systempi-minuspi-pluspithpica stick

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Nguồn gốc từ

From πῖ, from Ancient Greek πεῖ, ultimately from *pay- (mouth). pe. Its mathematical use apparently stems from its use as the first letter in περιφέρεια (periphery; circumference) and was first cited in 1706 in the Synopsis Palmariorum Matheseos by William Jones.