🔍 牛津詞典
🔍 朗文詞典
🔍 劍橋詞典
🔍 柯林斯詞典
🔍 麥美倫詞典
🔍 韋氏詞典 🎯

檢索以下詞典:
(Mr. Ng 不推薦使用 Google 翻譯!)
最近搜尋:
BNC: 8364 COCA: 18727

pi

pi /ˈpaɪ/ noun
pi
/ˈpaɪ/
noun
Learner's definition of PI
[noncount] geometry
: the number that results when the circumference of a circle is divided by its diameter and that is approximately 3.1416
also : the symbol π used for this number圆周率(用π表示)

PI

PI abbreviation
PI
abbreviation
Learner's definition of PI
private investigator私家侦探
BNC: 8364 COCA: 18727

pi

1 of 5

noun (1)

plural pis ˈpīz How to pronounce pi (audio)
1
: the 16th letter of the Greek alphabet see Alphabet Table
2
a
: the symbol π denoting the ratio of the circumference of a circle to its diameter
b
: the ratio itself : a transcendental number having a value rounded to eight decimal places of 3.14159265

pi

2 of 5

noun (2)

variants or less commonly pie
plural pies
1
: type that is spilled or mixed
2
: a pi character or matrix

pi

3 of 5

verb

variants or less commonly pie
pied; piing or pieing

transitive verb

: to spill or throw (type or type matter) into disorder

intransitive verb

: to become pied

pi

4 of 5

adjective

variants or less commonly pie
1
: not intended to appear in final printing
pi lines
2
: capable of being inserted only by hand
pi characters

PI

5 of 5

abbreviation

1
Philippine Islands
2
private investigator
3
programmed instruction

Word History

Etymology

Noun (1)

Middle Greek, from Greek pei, of Semitic origin; akin to Hebrew pe

Noun (2)

origin unknown

First Known Use

Noun (1)

15th century, in the meaning defined at sense 1

Noun (2)

circa 1659, in the meaning defined at sense 1

Verb

1889, in the meaning defined at transitive sense

Adjective

circa 1940, in the meaning defined at sense 1

Time Traveler
The first known use of pi was in the 15th century
BNC: 8364 COCA: 18727

👨🏻‍🏫 Mr. Ng 韋氏詞典 📚 – mw.mister5️⃣.net
切換為繁體中文
Site Uptime